diff --git a/dependencies/nDPIsrvd.h b/dependencies/nDPIsrvd.h
index 3b12304da..80da1ab12 100644
--- a/dependencies/nDPIsrvd.h
+++ b/dependencies/nDPIsrvd.h
@@ -686,7 +686,7 @@ static inline int nDPIsrvd_setup_address(struct nDPIsrvd_address * const address
         {
             address->raw.sa_family = AF_INET;
             address->size = sizeof(address->in);
-            address->in.sin_port = htons(atoi(last_colon + 1));
+            address->in.sin_port = htons((uint16_t)atoi(last_colon + 1));
             sock_addr = &address->in.sin_addr;
 
             if (len < 7)
@@ -698,7 +698,7 @@ static inline int nDPIsrvd_setup_address(struct nDPIsrvd_address * const address
         {
             address->raw.sa_family = AF_INET6;
             address->size = sizeof(address->in6);
-            address->in6.sin6_port = htons(atoi(last_colon + 1));
+            address->in6.sin6_port = htons((uint16_t)atoi(last_colon + 1));
             sock_addr = &address->in6.sin6_addr;
 
             if (len < 2)
@@ -803,7 +803,7 @@ static inline enum nDPIsrvd_conversion_return str_value_to_ull(char const * cons
     return CONVERSION_OK;
 }
 
-static inline nDPIsrvd_hashkey nDPIsrvd_build_key(char const * str, int len)
+static inline nDPIsrvd_hashkey nDPIsrvd_build_key(char const * str, size_t len)
 {
     uint32_t hash = nDPIsrvd_HASHKEY_SEED;
     uint32_t c;
@@ -1099,7 +1099,7 @@ static inline struct nDPIsrvd_json_token * nDPIsrvd_find_token(struct nDPIsrvd_s
 
 static inline struct nDPIsrvd_json_token * nDPIsrvd_add_token(struct nDPIsrvd_socket * const sock,
                                                               nDPIsrvd_hashkey hash_value,
-                                                              int value_token_index)
+                                                              size_t value_token_index)
 {
     struct nDPIsrvd_json_token * token = nDPIsrvd_find_token(sock, hash_value);
 
@@ -1125,7 +1125,8 @@ static inline struct nDPIsrvd_json_token * nDPIsrvd_add_token(struct nDPIsrvd_so
 static inline int nDPIsrvd_walk_tokens(
     struct nDPIsrvd_socket * const sock, nDPIsrvd_hashkey h, size_t b, int count, uint8_t is_value, uint8_t depth)
 {
-    int i, j;
+    int i;
+    int j;
     jsmntok_t const * key;
     jsmntok_t const * const t = &sock->jsmn.tokens[b];
     char const * const js = sock->buffer.json_message;
@@ -1225,7 +1226,7 @@ static inline struct nDPIsrvd_instance * nDPIsrvd_get_instance(struct nDPIsrvd_s
 }
 
 static inline struct nDPIsrvd_thread_data * nDPIsrvd_get_thread_data(
-    struct nDPIsrvd_socket * const sock,
+    struct nDPIsrvd_socket const * const sock,
     struct nDPIsrvd_instance * const instance,
     struct nDPIsrvd_json_token const * const thread_id_token,
     struct nDPIsrvd_json_token const * const ts_usec_token)
@@ -1241,7 +1242,7 @@ static inline struct nDPIsrvd_thread_data * nDPIsrvd_get_thread_data(
     {
         nDPIsrvd_ull thread_key;
         TOKEN_VALUE_TO_ULL(sock, thread_id_token, &thread_key);
-        thread_id = thread_key;
+        thread_id = (nDPIsrvd_hashkey)thread_key;
     }
 
     HASH_FIND_INT(instance->thread_data_table, &thread_id, thread_data);
diff --git a/dependencies/nDPIsrvd.py b/dependencies/nDPIsrvd.py
index 5ffa17e71..23bd86257 100644
--- a/dependencies/nDPIsrvd.py
+++ b/dependencies/nDPIsrvd.py
@@ -83,7 +83,6 @@ def setColorByString(string):
         global USE_COLORAMA
         if USE_COLORAMA is True:
             fg_color, bg_color = TermColor.getColorsByHash(string)
-            color_hash = TermColor.calcColorHash(string)
             return '{}{}{}{}{}'.format(Style.BRIGHT, fg_color, bg_color, string, Style.RESET_ALL)
         else:
             return '{}{}{}'.format(TermColor.BOLD, string, TermColor.END)
diff --git a/examples/c-analysed/c-analysed.c b/examples/c-analysed/c-analysed.c
index 36a99441d..2f6128e90 100644
--- a/examples/c-analysed/c-analysed.c
+++ b/examples/c-analysed/c-analysed.c
@@ -594,7 +594,8 @@ static int analysed_map_to_stat(char const * const token_str,
                                 struct global_map const * const map,
                                 size_t map_length)
 {
-    size_t i, null_i = map_length;
+    size_t i;
+    size_t null_i = map_length;
 
     for (i = 0; i < map_length; ++i)
     {
@@ -621,7 +622,7 @@ static int analysed_map_to_stat(char const * const token_str,
     return 1;
 }
 
-static int analysed_map_value_to_stat(struct nDPIsrvd_socket * const sock,
+static int analysed_map_value_to_stat(struct nDPIsrvd_socket const * const sock,
                                       struct nDPIsrvd_json_token const * const token,
                                       struct global_map const * const map,
                                       size_t map_length)
@@ -638,7 +639,7 @@ static int analysed_map_value_to_stat(struct nDPIsrvd_socket * const sock,
     return analysed_map_to_stat(value_str, value_length, map, map_length);
 }
 
-static void analysed_unmap_flow_from_stat(struct flow_user_data * const flow_user_data)
+static void analysed_unmap_flow_from_stat(struct flow_user_data const * const flow_user_data)
 {
     if (flow_user_data->is_ip4 != 0)
     {
@@ -774,7 +775,7 @@ static ssize_t analysed_map_index(char const * const json_key,
     return unknown_key;
 }
 
-static int analysed_map_flow_u8(struct nDPIsrvd_socket * const sock,
+static int analysed_map_flow_u8(struct nDPIsrvd_socket const * const sock,
                                 struct nDPIsrvd_json_token const * const token,
                                 struct global_map const * const map,
                                 size_t map_length,
@@ -1975,7 +1976,8 @@ static int mainloop(int epollfd, struct nDPIsrvd_socket * const sock)
 
 int main(int argc, char ** argv)
 {
-    int retval = 1, epollfd = -1;
+    int retval = 1;
+    int epollfd = -1;
 
     init_logging("nDPIsrvd-analysed");
 
diff --git a/examples/c-captured/c-captured.c b/examples/c-captured/c-captured.c
index 0729d3f19..630d22256 100644
--- a/examples/c-captured/c-captured.c
+++ b/examples/c-captured/c-captured.c
@@ -197,7 +197,7 @@ static void decode_base64(pcap_dumper_t * const pd,
 static void packet_data_copy(void * dst, const void * src)
 {
     struct packet_data * const pd_dst = (struct packet_data *)dst;
-    struct packet_data const * const pd_src = (struct packet_data *)src;
+    struct packet_data const * const pd_src = (struct packet_data const *)src;
     *pd_dst = *pd_src;
     if (pd_src->base64_packet != NULL && pd_src->base64_packet_size > 0)
     {
@@ -224,7 +224,7 @@ static void packet_data_dtor(void * elt)
 static void flow_packet_data_copy(void * dst, const void * src)
 {
     struct flow_packet_data * const pd_dst = (struct flow_packet_data *)dst;
-    struct flow_packet_data const * const pd_src = (struct flow_packet_data *)src;
+    struct flow_packet_data const * const pd_src = (struct flow_packet_data const *)src;
     *pd_dst = *pd_src;
     if (pd_src->base64_packet != NULL && pd_src->base64_packet_size > 0)
     {
@@ -1175,7 +1175,7 @@ static int parse_options(int argc, char ** argv)
                 break;
             case 'R':
             {
-                char * value = (optarg[0] == '~' ? optarg + 1 : optarg);
+                char const * const value = (optarg[0] == '~' ? optarg + 1 : optarg);
                 nDPIsrvd_ull risk;
                 if (perror_ull(str_value_to_ull(value, &risk), "process_risky") != CONVERSION_OK)
                 {
diff --git a/nDPId-test.c b/nDPId-test.c
index 003376e57..e1d2bf9f5 100644
--- a/nDPId-test.c
+++ b/nDPId-test.c
@@ -1359,7 +1359,7 @@ static void usage(char const * const arg0)
     fprintf(stderr, "usage: %s [path-to-pcap-file] [optional-nDPId-config-file]\n", arg0);
 }
 
-static int thread_wait_for_termination(pthread_t thread, time_t wait_time_secs, struct thread_return_value * const trv)
+static int thread_wait_for_termination(pthread_t thread, time_t wait_time_secs, struct thread_return_value * trv)
 {
 #if !defined(__FreeBSD__) && !defined(__APPLE__)
     struct timespec ts;