diff --git a/lite_string.h b/lite_string.h
index abc0de8..73501e5 100644
--- a/lite_string.h
+++ b/lite_string.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#if LITE_NO_RESTRICT_
+#if LITE_STRING_NO_RESTRICT
 
 // Ignore the warning for redefining the 'restrict' keyword
 #if __clang__
@@ -14,10 +14,10 @@
 #if __clang__
 #pragma clang diagnostic pop
 #endif // __clang__
-#endif // LITE_NO_RESTRICT_
+#endif // LITE_STRING_NO_RESTRICT
 
 #if __cplusplus
-#if !LITE_NO_RESTRICT_ // The keyword has not been redefined
+#if !LITE_STRING_NO_RESTRICT // The keyword has not been redefined
 #if __GNUC__ || __clang__ || _MSC_VER // Support for '__restrict'
 
 // Ignore the warning for redefining the 'restrict' keyword
@@ -36,7 +36,7 @@
 #pragma clang diagnostic pop
 #endif
 
-#endif // LITE_NO_RESTRICT_
+#endif // LITE_STRING_NO_RESTRICT
 
 extern "C" {
 #endif // __cplusplus