diff --git a/scripts/benchmarks_local.py b/scripts/benchmarks_local.py
index 65809dac1c1..466d046795e 100644
--- a/scripts/benchmarks_local.py
+++ b/scripts/benchmarks_local.py
@@ -388,24 +388,28 @@ def generate_single_benchmark_ci_args(parsed_args: Namespace, specific_run_type:
     # for commit in all_commits: There is not a way to run multiple Wasm's at once via CI, instead will split single run vs multi-run scenarios
     elif specific_run_type == RunType.WasmInterpreter:
         benchmark_ci_args += ['--wasm']
+        # Ensure there is a space at the beginning of `--wasmArgs` argument, so BDN
+        # can correctly read them as sub-arguments for `--wasmArgs`
         bdn_args_unescaped += [
             '--anyCategories', 'Libraries', 'Runtime',
             '--category-exclusion-filter', 'NoInterpreter', 'NoWASM', 'NoMono',
             '--wasmDataDir', os.path.join(get_run_artifact_path(parsed_args, RunType.WasmInterpreter, commit), "wasm_bundle", "wasm-data"),
             '--wasmEngine', parsed_args.wasm_engine_path,
-            '--wasmArgs', '\"--experimental-wasm-eh --expose_wasm --module\"',
+            '--wasmArgs', '\" --experimental-wasm-eh --expose_wasm --module\"',
             '--logBuildOutput',
             '--generateBinLog'
         ]
 
     elif specific_run_type == RunType.WasmAOT:
         benchmark_ci_args += ['--wasm']
+        # Ensure there is a space at the beginning of `--wasmArgs` argument, so BDN
+        # can correctly read them as sub-arguments for `--wasmArgs`
         bdn_args_unescaped += [
             '--anyCategories', 'Libraries', 'Runtime',
             '--category-exclusion-filter', 'NoInterpreter', 'NoWASM', 'NoMono',
             '--wasmDataDir', os.path.join(get_run_artifact_path(parsed_args, RunType.WasmAOT, commit), "wasm_bundle", "wasm-data"),
             '--wasmEngine', parsed_args.wasm_engine_path,
-            '--wasmArgs', '\"--experimental-wasm-eh --expose_wasm --module\"',
+            '--wasmArgs', '\" --experimental-wasm-eh --expose_wasm --module\"',
             '--aotcompilermode', 'wasm',
             '--logBuildOutput',
             '--generateBinLog'
@@ -622,4 +626,4 @@ def __main(args: list):
     # TODO: Compare the results of the benchmarks with results comparer (Currently will need to be done manually)
 
 if __name__ == "__main__":
-    __main(sys.argv[1:])
\ No newline at end of file
+    __main(sys.argv[1:])
diff --git a/scripts/performance_setup.py b/scripts/performance_setup.py
index f5e8ea6e996..5920ab4fff7 100644
--- a/scripts/performance_setup.py
+++ b/scripts/performance_setup.py
@@ -256,8 +256,10 @@ def run(args: PerformanceSetupArgs):
     if args.wasm_bundle_directory is not None:
         wasm_bundle_directory_path = payload_directory
         shutil.copytree(args.wasm_bundle_directory, wasm_bundle_directory_path)
-        
-        wasm_args = "--experimental-wasm-eh --expose_wasm"
+
+        # Ensure there is a space at the beginning, so BDN can correctly read them
+        # as arguments to `--wasmArgs`
+        wasm_args = " --experimental-wasm-eh --expose_wasm"
 
         if args.javascript_engine == "v8":
             wasm_args += " --module"
@@ -359,4 +361,4 @@ def run(args: PerformanceSetupArgs):
         helix_source_prefix=helix_source_prefix,
         build_config=build_config,
         runtime_type=runtime_type,
-        only_sanity_check=args.only_sanity_check)
\ No newline at end of file
+        only_sanity_check=args.only_sanity_check)