diff --git a/tests/utils/test_str.nim b/tests/utils/test_str.nim
index 473c410..b3d66ed 100644
--- a/tests/utils/test_str.nim
+++ b/tests/utils/test_str.nim
@@ -4,7 +4,7 @@ import utils/str
 suite "utils/str":
   test "safeDelete":
     let t = "abc"
-    check(t.safeDelete(0..0) == "abc")
+    check(t.safeDelete(0..0) == "bc")
 
     check(t.safeDelete(0..1) == "c")
     check(t.safeDelete(1..1) == "ac")