diff --git a/src/schema_compile_node.c b/src/schema_compile_node.c
index 1456288..9364554 100644
--- a/src/schema_compile_node.c
+++ b/src/schema_compile_node.c
@@ -4124,6 +4124,7 @@
 
 cleanup:
     lysc_node_container_free(&ctx->free_ctx, &fake_container);
+    FREE_ARRAY(&ctx->free_ctx, fake_container.exts, lysc_ext_instance_free);
     return rc;
 }