diff --git a/src/Umbraco.Core/Strings/CharacterMappings/cyrillic.json b/src/Umbraco.Core/Strings/CharacterMappings/cyrillic.json
index 4d655cd130..fd9748b8be 100644
--- a/src/Umbraco.Core/Strings/CharacterMappings/cyrillic.json
+++ b/src/Umbraco.Core/Strings/CharacterMappings/cyrillic.json
@@ -57,12 +57,12 @@
     "ш": "sh",
     "Щ": "Shch",
     "щ": "shch",
-    "Ъ": "",
-    "ъ": "",
+    "Ъ": "\"",
+    "ъ": "\"",
     "Ы": "Y",
     "ы": "y",
-    "Ь": "",
-    "ь": "",
+    "Ь": "'",
+    "ь": "'",
     "Э": "E",
     "э": "e",
     "Ю": "Yu",