diff --git a/addons/cppcheckdata.py b/addons/cppcheckdata.py
index f56081923..bba9c049b 100755
--- a/addons/cppcheckdata.py
+++ b/addons/cppcheckdata.py
@@ -1391,7 +1391,11 @@ def get_path_premium_addon():
 
 
 def cmd_output(cmd):
-    try:
-        return subprocess.check_output(cmd).strip().decode('ascii')
-    except subprocess.CalledProcessError as e:
-        return e.output
+    if sys.platform == 'win32':
+        p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    else:
+        p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, preexec_fn=os.setsid)
+    comm = p.communicate()
+    if p.returncode == 0:
+        return comm[0].decode(encoding='utf-8', errors='ignore')
+    return comm[1].decode(encoding='utf-8', errors='ignore')