diff --git a/tests/cmdline.c b/tests/cmdline.c
index c3a0bd9c..e179037c 100644
--- a/tests/cmdline.c
+++ b/tests/cmdline.c
@@ -1,3 +1,4 @@
+#include "config.h"
 #include "torture.h"
 
 #ifdef HAVE_ARGP_H