diff --git a/addons/misra.py b/addons/misra.py
index e2b9a4e98..17e294175 100755
--- a/addons/misra.py
+++ b/addons/misra.py
@@ -599,7 +599,7 @@ def misra_7_1(rawTokens):
 
 
 def misra_7_3(rawTokens):
-    compiled = re.compile(r'^[0-9]+l')
+    compiled = re.compile(r'^[0-9.uU]+l')
     for tok in rawTokens:
         if compiled.match(tok.str):
             reportError(tok, 7, 3)
diff --git a/addons/test/misra-test.c b/addons/test/misra-test.c
index b5952ab6e..d58aec43e 100644
--- a/addons/test/misra-test.c
+++ b/addons/test/misra-test.c
@@ -122,9 +122,13 @@ void misra_7_1() {
 }
 
 void misra_7_3() {
-  int x = 12l; // 7.3
-  int x = 12lu; // 7.3 5.2
-}
+  long misra_7_3_a = 0l; //7.3       
+  long misra_7_3_b = 0lU; //7.3     
+  long long misra_7_3_c = 0Ull; //7.3     
+  long long misra_7_3_d = 0ll; //7.3     
+  long double misra_7_3_e = 7.3l; //7.3  
+  }
+
 
 extern int a811[]; // 8.11