diff --git a/tests/test-quic.c b/tests/test-quic.c
index 01f159b..40daf00 100644
--- a/tests/test-quic.c
+++ b/tests/test-quic.c
@@ -32,6 +32,7 @@
 
 #include <stdlib.h>
 #include <stdbool.h>
+#include <string.h>
 #include <glib.h>
 #include <gdk-pixbuf/gdk-pixbuf.h>