diff --git a/fpga_imp/makefile b/fpga_imp/makefile
index 95e22c6255603528c9c56b24aa01009150921d5d..f041c1f68b092257b19c3bdeee580d349e75d607 100644
--- a/fpga_imp/makefile
+++ b/fpga_imp/makefile
@@ -25,4 +25,4 @@ gen_tcl:
 	@echo building TCL flist
 	@mkdir -p $(OUT_DIR)
 	@(cd $(OUT_DIR); \
-	$(SOCLABS_SOCTOOLS_FLOW_DIR)/bin/filelist_compile.py -at -f $(FILELIST) -o $(TCL_OUTPUT_FILELIST) ;)
+	$(SOCLABS_SOCTOOLS_FLOW_DIR)/bin/filelist_compile.py -t -f $(FILELIST) -o $(TCL_OUTPUT_FILELIST) ;)