diff --git a/core/strings/strings.odin b/core/strings/strings.odin
index beaa8bda1..bad0ac26a 100644
--- a/core/strings/strings.odin
+++ b/core/strings/strings.odin
@@ -438,7 +438,7 @@ equal_fold :: proc(u, v: string) -> (res: bool) {
 
 		r := unicode.simple_fold(sr)
 		for r != sr && r < tr {
-			r = unicode.simple_fold(sr)
+			r = unicode.simple_fold(r)
 		}
 		if r == tr {
 			continue loop