diff --git a/src/cfloader/__init__.py b/src/cfloader/__init__.py
index 9f1e1efd..dc4ade3b 100644
--- a/src/cfloader/__init__.py
+++ b/src/cfloader/__init__.py
@@ -153,6 +153,7 @@ def print_info(version: int, connected_targets: [Target]):
                 bl.flash_full(None, filename, warm_boot, targets)
             except Exception as e:
                 print("Failed to flash: {}".format(e))
+                sys.exit(-1)
         elif action == "reset":
             bl.reset_to_firmware()
         else:
@@ -162,6 +163,7 @@ def print_info(version: int, connected_targets: [Target]):
 
         traceback.print_exc(file=sys.stdout)
         print(e)
+        sys.exit(-1)
 
     finally:
         #########################