diff --git a/tests/error.c b/tests/error.c
index f904b7349b..67fb25ed39 100644
--- a/tests/error.c
+++ b/tests/error.c
@@ -1,8 +1,9 @@
 #include <unistd.h>
 #include <stdio.h>
+#include <string.h>
 #include <errno.h>
 
 int main(int argc, char** argv) {
-    chdir("nonexistent"); 
-    printf("errno: %d\n", errno);
+    chdir("nonexistent");
+    printf("errno: %d = %s\n", errno, strerror(errno));
 }