diff --git a/tools/nxstyle.c b/tools/nxstyle.c
index f2b44fb8e8..c63328aaac 100644
--- a/tools/nxstyle.c
+++ b/tools/nxstyle.c
@@ -2469,7 +2469,7 @@ int main(int argc, char **argv, char **envp)
                     {
                       /* REVISIT: This gives false alarms on syntax like *--ptr */
 
-                      if (line[n - 1] != ' ')
+                      if (line[n - 1] != ' ' && line[n - 1] != '(')
                         {
                            ERROR("Operator/assignment must be preceded "
                                   "with whitespace", lineno, n);