diff --git a/scripts/run_parallel_subs.sh b/scripts/run_parallel_subs.sh
index fefac4f..8151dcc 100755
--- a/scripts/run_parallel_subs.sh
+++ b/scripts/run_parallel_subs.sh
@@ -12,7 +12,20 @@ else
     NUM_SUBS=${1:-$1} # Arg 1
 fi
 
+if [ -z "$2" ]; then
+    RELAY="moq://localhost:33435"
+else
+    RELAY="$2"
+fi
+
+if [ -z "$3" ]; then
+    echo "Config file is required"
+    exit 1
+else
+    CONFIG_PATH="$3"
+fi
+
 echo "Running $NUM_SUBS subscriber clients"
 
 mkdir -p $LOGS_DIR
-parallel -j ${NUM_SUBS}  "./qperf_sub -i {} --connect_uri moq://localhost:33435 > $LOGS_DIR/t_{}logs.txt 2>&1" ::: $(seq ${NUM_SUBS})
+parallel -j ${NUM_SUBS}  "./qperf_sub -i {} -c $CONFIG_PATH --connect_uri $RELAY > $LOGS_DIR/t_{}logs.txt 2>&1" ::: $(seq ${NUM_SUBS})
diff --git a/src/qperf_sub.cc b/src/qperf_sub.cc
index 03fd35e..e8d5428 100644
--- a/src/qperf_sub.cc
+++ b/src/qperf_sub.cc
@@ -423,7 +423,7 @@ main(int argc, char** argv)
         ("endpoint_id",     "Name of the client",                                    cxxopts::value<std::string>()->default_value("perf@cisco.com"))
         ("connect_uri",     "Relay to connect to",                                   cxxopts::value<std::string>()->default_value("moq://localhost:1234"))
         ("i,test_id",        "Test idenfiter number",                                cxxopts::value<std::uint32_t>()->default_value("1"))
-        ("c,config",        "Scenario config file",                                  cxxopts::value<std::string>()->default_value("./config.ini"))
+        ("c,config",        "Scenario config file",                                  cxxopts::value<std::string>())
         ("h,help",          "Print usage");
     // clang-format on