diff --git a/addons/misra.py b/addons/misra.py
index ba22bb17e..f2bfbe458 100755
--- a/addons/misra.py
+++ b/addons/misra.py
@@ -1985,7 +1985,7 @@ class MisraChecker:
                 continue
             if not is_source_file(func.token.file):
                 continue
-            if func.token.file != func.tokenDef.file:
+            if func.token != func.tokenDef:
                 continue
             if func.tokenDef.str == 'main':
                 continue
diff --git a/addons/test/misra/misra-test.c b/addons/test/misra/misra-test.c
index 6c2bf1b7b..e0f031e11 100644
--- a/addons/test/misra/misra-test.c
+++ b/addons/test/misra/misra-test.c
@@ -391,6 +391,8 @@ static int misra_8_2_q
 (); // 8.2
 
 void misra_8_4_foo(void) {} // 8.4
+extern void misra_8_4_func(void);
+void misra_8_4_func(void) {}
 static void misra_8_4_bar(void) {} // Declared in header
 extern int16_t misra_8_4_count; // no-warning
 int16_t misra_8_4_count = 0; // Compliant