diff --git a/programs/util/strerror.c b/programs/util/strerror.c
index 4b776d3..dda6916 100644
--- a/programs/util/strerror.c
+++ b/programs/util/strerror.c
@@ -65,7 +65,7 @@
         if( *end != '\0' )
         {
             mbedtls_printf( USAGE );
-            return( 0 );
+            return 0 ;
         }
     }
     if( val > 0 )