diff --git a/runner.c b/runner.c
index 47d09ba..3306d32 100644
--- a/runner.c
+++ b/runner.c
@@ -32,6 +32,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <sys/wait.h>
 
 int main(int argc, char *argv[]) {
     int i, pass = 0, fail = 0, skip = 0, total, ret, read = 0;
@@ -49,7 +50,7 @@ int main(int argc, char *argv[]) {
         if (read) {
             fail++;
             printf("\033[0;31mFailed\033[0m\n");
-            fprintf(stderr, "%s\n", &output);
+            fprintf(stderr, "%s\n", (char*)&output);
             continue;
         }
         switch (WEXITSTATUS(ret)) {