diff --git a/testXPath.c b/testXPath.c
index 8d13808..bdb7358 100644
--- a/testXPath.c
+++ b/testXPath.c
@@ -220,7 +220,7 @@
 }
 #else
 #include <stdio.h>
-int main(int argc, char **argv) {
+int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
     printf("%s : XPath/Debug support not compiled in\n", argv[0]);
     return(0);
 }