diff --git a/runner.h b/runner.h
index ac74f5c..9f55afc 100644
--- a/runner.h
+++ b/runner.h
@@ -14,13 +14,13 @@
 
 #define SUCCESS 0
 
-#define FORK_FAILED -1
-#define WAIT4_FAILED -2
-#define RUN_FAILED -3
-#define SETITIMER_FAILED -4
-#define SETRLIMIT_FAILED -5
-#define DUP2_FAILED -6
-#define EXCEVE_FAILED -7
+#define FORK_FAILED 1
+#define WAIT4_FAILED 2
+#define RUN_FAILED 3
+#define SETITIMER_FAILED 4
+#define SETRLIMIT_FAILED 5
+#define DUP2_FAILED 6
+#define EXCEVE_FAILED 7
 
 #define CPU_TIME_LIMIT_EXCEEDED 1
 #define REAL_TIME_LIMIT_EXCEEDED 2