diff --git a/cmake/PdPlatform.cmake b/cmake/PdPlatform.cmake
index a887994c06..7b49aed0dc 100644
--- a/cmake/PdPlatform.cmake
+++ b/cmake/PdPlatform.cmake
@@ -201,7 +201,7 @@ if(APPLE)
     configure_file(${PROJECT_SOURCE_DIR}/ceammc/gui/Info.plist ${PROJECT_BINARY_DIR}/dist/Info.plist)
 
     # tk versions later then 8.6.8 have problems with russian keyboard shortcuts
-    set(TK_VERSION "8.6.8")
+    set(TK_VERSION "8.6.6")
     set(EMBEDDED_WISH "${PROJECT_SOURCE_DIR}/mac/Wish-${TK_VERSION}.app")
 
     if(EXISTS ${EMBEDDED_WISH})