1 files changed, 2 insertions, 2 deletions
diff --git a/ev.h b/ev.h
index 365e23f..d5e9080 100644
--- a/ev.h
+++ b/ev.h
@@ -37,8 +37,8 @@
  * either the BSD or the GPL.
  */
 
-#ifndef EV_H__
-#define EV_H__
+#ifndef EV_H_
+#define EV_H_
 
 #ifdef __cplusplus
 extern "C" {