diff --git a/lib/rb-util.c b/lib/rb-util.c
index cc648f7de..48dbffe8b 100644
--- a/lib/rb-util.c
+++ b/lib/rb-util.c
@@ -405,7 +405,7 @@ rb_string_split_words (const gchar *string)
 			}
 
 			break;
-		case G_UNICODE_COMBINING_MARK:
+		case G_UNICODE_SPACING_MARK:
 		case G_UNICODE_ENCLOSING_MARK:
 		case G_UNICODE_NON_SPACING_MARK:
 		case G_UNICODE_CONNECT_PUNCTUATION:
@@ -493,7 +493,7 @@ rb_search_fold (const char *original)
 
 	for (cur = unicode; *cur != 0; cur++) {
 		switch (g_unichar_type (*cur)) {
-		case G_UNICODE_COMBINING_MARK:
+		case G_UNICODE_SPACING_MARK:
 		case G_UNICODE_ENCLOSING_MARK:
 		case G_UNICODE_NON_SPACING_MARK:
 		case G_UNICODE_CONNECT_PUNCTUATION: