diff --git a/Makefile b/Makefile
index 518b661..c17509b 100755
--- a/Makefile
+++ b/Makefile
@@ -310,10 +310,10 @@ SDK_SOURCE_PATH  += lib_blewbxx lib_blewbxx_impl
 endif
 
 load: all
-	python -m ledgerblue.loadApp $(APP_LOAD_PARAMS)
+	python3 -m ledgerblue.loadApp $(APP_LOAD_PARAMS)
 
 delete:
-	python -m ledgerblue.deleteApp $(COMMON_DELETE_PARAMS)
+	python3 -m ledgerblue.deleteApp $(COMMON_DELETE_PARAMS)
 
 # import generic rules from the sdk
 include $(BOLOS_SDK)/Makefile.rules