diff --git a/utils/hashtest2.c b/utils/hashtest2.c
index b716849391..5242d34eca 100644
--- a/utils/hashtest2.c
+++ b/utils/hashtest2.c
@@ -34,7 +34,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
+#ifdef HAVE_ALLOCA_H
 #include <alloca.h>
+#endif
 #include <string.h>
 #include <pthread.h>
 #include <sys/stat.h>