--- a/indep.c
+++ b/indep.c
@@ -14,7 +14,7 @@
 {
 #ifdef HAVE_STRTOLL
     return strtoll(s, NULL, base);
-#elif HAVE_STRTOQ
+#elif defined(HAVE_STRTOQ)
     return strtoq(s, NULL, base);
 #else
     int minus, digit;