diff --git a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/FlaskConnexionCodegen.java b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/FlaskConnexionCodegen.java
index b2c1492631b..f756824958c 100644
--- a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/FlaskConnexionCodegen.java
+++ b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/FlaskConnexionCodegen.java
@@ -326,6 +326,15 @@ public class FlaskConnexionCodegen extends DefaultCodegen implements CodegenConf
         return super.postProcessSupportingFileData(objs);
     }
 
+    @Override
+    public String toParamName(String name) {
+        // don't do name =removeNonNameElementToCamelCase(name); // this breaks connexion, which does not modify param names before sending them
+        if (reservedWords.contains(name)) {
+            return escapeReservedWord(name);
+        }
+        return name;
+    }
+
     @Override
     public String toOperationId(String operationId) {
         operationId = super.toOperationId(operationId); // FIXME: a parameter should not be assigned. Also declare the methods parameters as 'final'.