diff --git a/scripts/data_files/error.fmt b/scripts/data_files/error.fmt
index 3be94bd..6c2b487 100644
--- a/scripts/data_files/error.fmt
+++ b/scripts/data_files/error.fmt
@@ -56,7 +56,7 @@
             break;
     }
 
-    return( NULL );
+    return NULL ;
 }
 
 const char * mbedtls_low_level_strerr( int error_code )
@@ -79,7 +79,7 @@
             break;
     }
 
-    return( NULL );
+    return NULL ;
 }
 
 void mbedtls_strerror( int ret, char *buf, size_t buflen )
diff --git a/scripts/data_files/query_config.fmt b/scripts/data_files/query_config.fmt
index ffa816e..77f628f 100644
--- a/scripts/data_files/query_config.fmt
+++ b/scripts/data_files/query_config.fmt
@@ -115,7 +115,7 @@
 int query_config( const char *config )
 {
 CHECK_CONFIG    /* If the symbol is not found, return an error */
-    return( 1 );
+    return 1 ;
 }
 
 #if defined(_MSC_VER)
diff --git a/scripts/data_files/version_features.fmt b/scripts/data_files/version_features.fmt
index d4bf774..e572c5e 100644
--- a/scripts/data_files/version_features.fmt
+++ b/scripts/data_files/version_features.fmt
@@ -37,18 +37,18 @@
     const char * const *idx = features;
 
     if( *idx == NULL )
-        return( -2 );
+        return -2 ;
 
     if( feature == NULL )
-        return( -1 );
+        return -1 ;
 
     while( *idx != NULL )
     {
         if( !strcmp( *idx, feature ) )
-            return( 0 );
+            return 0 ;
         idx++;
     }
-    return( -1 );
+    return -1 ;
 }
 
 #endif /* MBEDTLS_VERSION_C */