diff --git a/src/openapi2jsonschema/command.py b/src/openapi2jsonschema/command.py
index 8f17534..9b10a24 100644
--- a/src/openapi2jsonschema/command.py
+++ b/src/openapi2jsonschema/command.py
@@ -232,6 +232,7 @@ def default(output, schema, prefix, stand_alone, expanded, kubernetes, strict):
                 )
         except Exception as e:
             error("An error occured processing %s: %s" % (kind, e))
+            sys.exit(1)
 
     with open("%s/all.json" % output, "w", newline="\n") as all_file:
         info("Generating schema for all types")