diff --git a/backend/tests/testcommon.c b/backend/tests/testcommon.c
index a1a4be4f..2f6ff419 100644
--- a/backend/tests/testcommon.c
+++ b/backend/tests/testcommon.c
@@ -41,6 +41,7 @@
 #include <setjmp.h>
 #endif
 #include <assert.h>
+#include <getopt.h>
 #include <limits.h>
 #include <unistd.h>
 #include <errno.h>