diff --git a/CMakeLists.txt b/CMakeLists.txt
index bfc000c2902c6..0e4c1e1d973a6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3053,8 +3053,8 @@ endif()
 
 # Compat helpers for the configuration files
 
-if(EXISTS "${PROJECT_SOURCE_DIR}/VERSION.txt")
-  file(READ "${PROJECT_SOURCE_DIR}/VERSION.txt" SDL_SOURCE_VERSION)
+if(EXISTS "${PROJECT_SOURCE_DIR}/REVISION.txt")
+  file(READ "${PROJECT_SOURCE_DIR}/REVISION.txt" SDL_SOURCE_VERSION)
   string(STRIP "${SDL_SOURCE_VERSION}" SDL_SOURCE_VERSION)
 endif()