diff --git a/src/fuzz_introspector/analysis.py b/src/fuzz_introspector/analysis.py
index 0b95ca031..c28955c40 100644
--- a/src/fuzz_introspector/analysis.py
+++ b/src/fuzz_introspector/analysis.py
@@ -88,23 +88,31 @@ def load_data_files(self,
 
         logger.info("[+] Accummulating profiles")
         logger.info("Accummulating using multiprocessing")
-        manager = multiprocessing.Manager()
-        semaphore = multiprocessing.Semaphore(10)
 
-        return_dict = manager.dict()
+        result_dict: Dict[Any, Any] = dict()
+        if parallelise:
+            manager = multiprocessing.Manager()
+            semaphore = multiprocessing.Semaphore(10)
 
-        jobs = []
-        idx = 0
-        for profile in self.profiles:
-            p = multiprocessing.Process(
-                target=fuzzer_profile.FuzzerProfile.accummulate_profile,
-                args=(profile, self.base_folder, return_dict, f"uniq-{idx}",
-                      semaphore))
-            jobs.append(p)
-            idx += 1
-            p.start()
-        for proc in jobs:
-            proc.join()
+            return_dict = manager.dict()
+
+            jobs = []
+            idx = 0
+            for profile in self.profiles:
+                p = multiprocessing.Process(
+                    target=fuzzer_profile.FuzzerProfile.accummulate_profile,
+                    args=(profile, self.base_folder, return_dict, f"uniq-{idx}",
+                          semaphore))
+                jobs.append(p)
+                idx += 1
+                p.start()
+            for proc in jobs:
+                proc.join()
+            result_dict = return_dict.copy()
+        else:
+            for profile in self.profiles:
+                fuzzer_profile.FuzzerProfile.accummulate_profile(
+                    profile, self.base_folder, result_dict, f"uniq-{idx}")
 
         new_profiles = []
         for idx in return_dict:
diff --git a/src/fuzz_introspector/commands.py b/src/fuzz_introspector/commands.py
index ad13daec4..90a05ef52 100644
--- a/src/fuzz_introspector/commands.py
+++ b/src/fuzz_introspector/commands.py
@@ -113,6 +113,7 @@ def analyse_end_to_end(arg_language,
         correlation_file = ''
 
     try:
+        is_parallel = os.getenv('FUZZ_INTROSPECTOR_PARALLEL', "true").lower() == "true"
         exit_code, return_values2 = run_analysis_on_dir(
             target_folder=out_dir,
             coverage_url=coverage_url,
@@ -123,7 +124,8 @@ def analyse_end_to_end(arg_language,
             language=language,
             out_dir=out_dir,
             dump_files=dump_files,
-            harness_lists=harness_lists)
+            harness_lists=harness_lists,
+            parallelise=is_parallel)
         for k, v in return_values2.items():
             return_values[k] = v
     except DataLoaderError: