diff --git a/t/r7rs-tests.scm b/t/r7rs-tests.scm
index 6a101cef..d89afd12 100644
--- a/t/r7rs-tests.scm
+++ b/t/r7rs-tests.scm
@@ -1151,7 +1151,7 @@
 ;;       (string-set! s 1 #\x1F700)
 ;;       s))
 
-#;(test #t (string=? "" ""))
+(test #t (string=? "" ""))
 (test #t (string=? "abc" "abc" "abc"))
 (test #f (string=? "" "abc"))
 (test #f (string=? "abc" "aBc"))