1 files changed, 4 insertions, 0 deletions
diff --git a/tests/test_xauth.c b/tests/test_xauth.c
index f4265ce..8e9c2a2 100644
--- a/tests/test_xauth.c
+++ b/tests/test_xauth.c
@@ -1,6 +1,10 @@
+#include <stdio.h>
+#include <stdlib.h>
 #include <unistd.h>
 
 int main(int argc, char *argv[])
 {
     execlp("cmdtest", "cmdtest", ".", NULL);
+    perror("Unable to execute 'cmdtest'. Make sure, that it is installed");
+    exit(1);
 }