diff --git a/CMakeLists.txt b/CMakeLists.txt
index bc4811db47b..e167bb8097f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -59,20 +59,19 @@ if(MODIFY_ROOTMAP)
 
         # Define the custom command to search and replace in-place
         add_custom_command(
-          OUTPUT "${GENERATED_FILE_PATH}.edited"  # Declare the generated file as output
+          OUTPUT "${GENERATED_FILE_PATH}.bak"  # Declare the generated file as output
           DEPENDS "${GENERATED_FILE_PATH}"  # Ensure it depends on the original generated file
-          COMMAND sed -i.edited -e "/class RooParamKeysPdf/d"
+          COMMAND sed -i.bak -e "/class RooParamKeysPdf/d"
                             -e "/class RooStarMomentMorph/d"
                             -e "/class RooStats::HistFactory::RooBSpline/d"
                             -e "/class RooStats::HistFactory::RooBSplineBases/d" "${GENERATED_FILE_PATH}"
-          #COMMAND touch "${GENERATED_FILE_PATH}.edited"
           COMMENT "Removing conflicting classes from generated rootmap"
         )
 
         # Define a custom target that depends on the custom command output
         add_custom_target(
                 ModifyRootmapFile  # Name of the custom target
-                DEPENDS "${GENERATED_FILE_PATH}.edited"  # Ensure the custom command is executed
+                DEPENDS "${GENERATED_FILE_PATH}.bak"  # Ensure the custom command is executed
         )
 
         # Add the custom target as a dependency to another target to ensure it's built