diff --git a/scripts/tools/Linux/networkSimulator_g192 b/scripts/tools/Linux/networkSimulator_g192
old mode 100644
new mode 100755
diff --git a/tests/test_param_file.py b/tests/test_param_file.py
index 730acd5c00ce6d065ab2002948b451e45b6067db..4031fd36bf52754d2d0b4cd503bae535f896b53a 100644
--- a/tests/test_param_file.py
+++ b/tests/test_param_file.py
@@ -356,14 +356,10 @@ def simulate(
 
     if platform.system() == "Windows":
         netsim = [os.path.join(rootdir, "scripts", "tools", "Win32", "networkSimulator_g192.exe")]
-    elif platform.system() == "Linux":
-        # there is no Linux binary available -> use the Win32 binary via wine
-        netsim = [
-            "wine",
-            os.path.join(rootdir, "scripts", "tools", "Win32", "networkSimulator_g192.exe"),
-        ]
-    elif platform.system() == "Darwin":
-        netsim = [os.path.join(rootdir, "scripts", "tools", "Darwin", "networkSimulator_g192")]
+    elif platform.system() in ["Linux", "Darwin"]:
+        netsim = [os.path.join(rootdir, "scripts", "tools", platform.system(), "networkSimulator_g192")]
+    else:
+        assert False, f"networkSimulator_g192 not available for {platform.system()}"
 
     if update_ref == 1 or update_ref == 2 and not os.path.exists(ref_out_file):
         # call network simulator on REF encoder output