diff --git a/flow/Makefile b/flow/Makefile
index 83b2560e66..fe69760329 100644
--- a/flow/Makefile
+++ b/flow/Makefile
@@ -658,12 +658,12 @@ endif
 # STEP 3: Timing Driven Mixed Sized Placement
 #-------------------------------------------------------------------------------
 ifneq ($(MACRO_PLACEMENT)$(MACRO_PLACEMENT_TCL),)
-RUN_TDMS:=1
+SKIP_TDMS:=1
 endif
-ifeq ($(RTLMP_FLOW), 1)
-RUN_TDMS:=1
-endif 
-ifeq ($(RUN_TDMS), 1)
+ifneq ($(RTLMP_FLOW), 1)
+SKIP_TDMS:=1
+endif
+ifneq ($(SKIP_TDMS), 1)
 $(eval $(call do-step,2_3_floorplan_tdms,$(RESULTS_DIR)/2_2_floorplan_io.odb $(RESULTS_DIR)/1_synth.v $(RESULTS_DIR)/1_synth.sdc $(LIB_FILES),tdms_place))
 else
 $(eval $(call do-copy,2_3_floorplan_tdms,2_2_floorplan_io.odb,$(RESULTS_DIR)/1_synth.v $(RESULTS_DIR)/1_synth.sdc $(LIB_FILES)))