Index: head/Mk/Uses/waf.mk
===================================================================
--- head/Mk/Uses/waf.mk
+++ head/Mk/Uses/waf.mk
@@ -22,7 +22,7 @@
 .endif
 
 .if !${USES:Mpython*}
-python_ARGS=	2,build
+python_ARGS=	2.7,build
 .include "${USESDIR}/python.mk"
 .endif