diff --git a/liba/include/math.h b/liba/include/math.h
index 83aa8a33e..b68e1bf5f 100644
--- a/liba/include/math.h
+++ b/liba/include/math.h
@@ -1,5 +1,5 @@
-#ifndef LIBA_ASSERT_H
-#define LIBA_ASSERT_H
+#ifndef LIBA_MATH_H
+#define LIBA_MATH_H
 
 #include "private/macros.h"