diff --git a/exec.c b/exec.c
index c09bd93df31e9f43d790f8a2be995e9946eaaeb6..02b1efebb7c39dad224795ce0e0c97c45287318f 100644
--- a/exec.c
+++ b/exec.c
@@ -1495,6 +1495,7 @@ static int find_max_supported_pagesize(Object *obj, void *opaque)
         mem_path = object_property_get_str(obj, "mem-path", NULL);
         if (mem_path) {
             long hpsize = qemu_mempath_getpagesize(mem_path);
+            g_free(mem_path);
             if (hpsize < *hpsize_min) {
                 *hpsize_min = hpsize;
             }