diff --git a/dnf-json b/dnf-json
index d2eab7948..7e043b317 100755
--- a/dnf-json
+++ b/dnf-json
@@ -63,8 +63,7 @@ if command == "dump":
 
 elif command == "depsolve":
     base = create_base(arguments.get("repos", {}))
-    for pkgspec in arguments["package-specs"]:
-        base.install(pkgspec)
+    base.install_specs(arguments["package-specs"])
     base.resolve()
     packages = []
     for package in base.transaction.install_set: