diff --git a/tests/exec.c b/tests/exec.c
index 4a09e743b5..213df7f8d3 100644
--- a/tests/exec.c
+++ b/tests/exec.c
@@ -1,4 +1,5 @@
 #include <unistd.h>
+#include <stdio.h>
 
 int main(int argc, char** argv) {
     char *const args[1] = {"arg"};