diff --git a/include/leven.h b/include/leven.h
index dbb37d3..8f39c5d 100644
--- a/include/leven.h
+++ b/include/leven.h
@@ -18,8 +18,8 @@
 extern "C" {
 #endif
 
-size_t _EO(leven_diff)(const char* _EO(restrict), const char* _EO(restrict), size_t) 
-	_EO(internal) 
+size_t	_EO(leven_diff)(const char* _EO(restrict), const char* _EO(restrict), size_t)
+	_EO(internal)
 	_EO(readonly)
 	__attribute__((nonnull(1, 2)))
 ;