diff --git a/package/python-treq/Config.in b/package/python-treq/Config.in
index 47719f92bf..02c26a53f7 100644
--- a/package/python-treq/Config.in
+++ b/package/python-treq/Config.in
@@ -18,4 +18,5 @@ config BR2_PACKAGE_PYTHON_TREQ
 	  https://github.com/twisted/treq
 
 comment "python-treq needs a toolchain w/ C++"
+	depends on BR2_PACKAGE_PYTHON3
 	depends on !BR2_INSTALL_LIBSTDCPP