diff --git a/desktop/CMakeLists.txt b/desktop/CMakeLists.txt
index dcca3b77..b49ef2d3 100644
--- a/desktop/CMakeLists.txt
+++ b/desktop/CMakeLists.txt
@@ -145,7 +145,12 @@ if(PLATFORM_MACOSX)
 endif(PLATFORM_MACOSX)
 
 if(PLATFORM_WINDOWS)
-    set(COLOBOT_VERSION_4COMMAS "${COLOBOT_VERSION_MAJOR},${COLOBOT_VERSION_MINOR},${COLOBOT_VERSION_REVISION},0")
+    if(COLOBOT_VERSION_REVISION MATCHES "([0-9]+)\\.([0-9]+)")
+        string(REGEX REPLACE "([0-9]+)\\.([0-9]+)" "\\1,\\2" COLOBOT_VERSION_REVISION_COMMA "${COLOBOT_VERSION_REVISION}")
+        set(COLOBOT_VERSION_4COMMAS "${COLOBOT_VERSION_MAJOR},${COLOBOT_VERSION_MINOR},${COLOBOT_VERSION_REVISION_COMMA}")
+    else()
+        set(COLOBOT_VERSION_4COMMAS "${COLOBOT_VERSION_MAJOR},${COLOBOT_VERSION_MINOR},${COLOBOT_VERSION_REVISION},0")
+    endif()
     configure_file(colobot.rc.cmake ${CMAKE_CURRENT_BINARY_DIR}/colobot.rc)
 endif(PLATFORM_WINDOWS)