diff --git a/scripts/create_compdb.py b/scripts/create_compdb.py
index 452a2247a96c..e718e7c012b2 100755
--- a/scripts/create_compdb.py
+++ b/scripts/create_compdb.py
@@ -39,24 +39,24 @@ from typing import Any, Dict
 import scripts_utils
 
 _CPP_EXTENSIONS = {
-    "c",
-    "cc",
-    "cpp",
-    "cxx",
-    "c++",
-    "C",
-    "h",
-    "hpp",
-    "hxx",
-    "h++",
-    "hh",
-    "H",
-    "inc",
-    "def",
-    "ipp",
-    "s",
-    "S",
-    "asm",
+    ".c",
+    ".cc",
+    ".cpp",
+    ".cxx",
+    ".c++",
+    ".C",
+    ".h",
+    ".hpp",
+    ".hxx",
+    ".h++",
+    ".hh",
+    ".H",
+    ".inc",
+    ".def",
+    ".ipp",
+    ".s",
+    ".S",
+    ".asm",
 }