diff --git a/modules/openapi-generator/src/main/resources/C-libcurl/model-body.mustache b/modules/openapi-generator/src/main/resources/C-libcurl/model-body.mustache
index e80036b8b31..a962081a46d 100644
--- a/modules/openapi-generator/src/main/resources/C-libcurl/model-body.mustache
+++ b/modules/openapi-generator/src/main/resources/C-libcurl/model-body.mustache
@@ -248,6 +248,12 @@ void {{classname}}_free({{classname}}_t *{{classname}}) {
     }
     {{/isString}}
     {{/isEnum}}
+    {{#isByteArray}}
+    if ({{{classname}}}->{{{name}}}) {
+        free({{{classname}}}->{{{name}}});
+        {{classname}}->{{name}} = NULL;
+    }
+    {{/isByteArray}}
     {{#isBinary}}
     if ({{{classname}}}->{{{name}}}) {
         free({{{classname}}}->{{{name}}}->data);