--- a/extensions/rexxutil/platform/unix/rexxutil.cpp
+++ b/extensions/rexxutil/platform/unix/rexxutil.cpp
@@ -1701,7 +1701,7 @@
     num++;
 
     ptr = mystrstr(line, target, len, args[0].strlength, sensitive);
-    if (ptr != '\0') {
+    if (*ptr != '\0') {
       if (linenums) {
         sprintf(ldp.ibuf, "%d ", (int)num);
         len2 = strlen(ldp.ibuf);
