diff --git a/proxy/logging/LogFilter.h b/proxy/logging/LogFilter.h
index 083dc08e6f0..749c044e5ac 100644
--- a/proxy/logging/LogFilter.h
+++ b/proxy/logging/LogFilter.h
@@ -474,7 +474,7 @@ wipeField(char **field, char *pattern, const char *uppercase_field)
 
       // search new param again
       const char *new_param = strchr(lookup_query_param + field_pos, '&');
-      if (new_param && (new_param + 1)) {
+      if (new_param && *(new_param + 1)) {
         pattern_in_param_name = findPatternFromParamName(new_param + 1, pattern);
       } else {
         break;