diff --git a/src/unit/test_quicklist.c b/src/unit/test_quicklist.c
index 6addb33f41..63a97fedb9 100644
--- a/src/unit/test_quicklist.c
+++ b/src/unit/test_quicklist.c
@@ -2294,6 +2294,7 @@ int test_quicklistCompressAndDecomressQuicklistPlainNodeLargeThanUINT32MAX(int a
     zfree(node->next);
     zfree(node->entry);
     zfree(node);
+    zfree(s);
 
 #endif
     return 0;