diff --git a/src/qemu/qemu_migration_params.c b/src/qemu/qemu_migration_params.c
index 4f3b239637e093d4bdb301b0e451f4b1cd8c8488..3bbe50a8edc917936e8ee1e5ddf3e06a8075c181 100644
--- a/src/qemu/qemu_migration_params.c
+++ b/src/qemu/qemu_migration_params.c
@@ -771,6 +771,7 @@ qemuMigrationParamsApply(virQEMUDriverPtr driver,
         migParams->params[xbzrle].set = true;
 
     virJSONValueFree(params);
+    virJSONValueFree(caps);
 
     return ret;
 }