diff --git a/addons/misra-test.c b/addons/misra-test.c
index 07ba8b907..d244272a4 100644
--- a/addons/misra-test.c
+++ b/addons/misra-test.c
@@ -14,6 +14,7 @@ void misra_7_1() {
 
 void misra_7_3() {
   int x = 12l; // 7.3
+  int x = 12lu; // 7.3
 }
 
 void misra_12_1() {
diff --git a/addons/misra.py b/addons/misra.py
index 7e6294e2f..ee9a084e2 100644
--- a/addons/misra.py
+++ b/addons/misra.py
@@ -82,7 +82,7 @@ def misra_7_1(rawTokens):
 
 def misra_7_3(rawTokens):
     for tok in rawTokens:
-        if re.match(r'^[0-9]+l+$', tok.str):
+        if re.match(r'^[0-9]+l', tok.str):
             reportError(tok, 7, 3)