diff --git a/tests/unit/testempty0.c b/tests/unit/testempty0.c
index 32d6f266..7fbb9d44 100644
--- a/tests/unit/testempty0.c
+++ b/tests/unit/testempty0.c
@@ -1,3 +1,5 @@
-#include <openjpeg.h>
+#include <stdio.h>
+
+#include "openjpeg.h"
 
 int main(int argc, char **argv) { return 0; }