diff --git a/kernel/sched/perf_error_detection.h b/kernel/sched/perf_error_detection.h
index e349d3bfbb4557710c2166d2e87be7ba4e300468..fd5ccf445a8572f0a20143d20bf93ad5fdd2bba4 100644
--- a/kernel/sched/perf_error_detection.h
+++ b/kernel/sched/perf_error_detection.h
@@ -3,7 +3,7 @@
 #include <linux/perf_event.h>
 //#include <linux/sched.h>
 #include "sched.h"
-#include <signal.h>
+#include <linux/signal.h>
 #include <linux/ioctl.h>
 #include <stdio.h>
 //#include <include/linux/smp.h>