diff --git a/debian/rules b/debian/rules
index 14c0309..c00669d 100755
--- a/debian/rules
+++ b/debian/rules
@@ -34,7 +34,8 @@
 CDBS_BUILD_DEPENDS_class_python-sugar_sugar = python-sugar3, unzip
 
 # Suppress unneeded auto-resolved build-dependency on python-dev
-CDBS_BUILD_DEPENDS_class_python-sugar_python = python
+#  * TODO: drop cdbs_python_binary fallback when cdbs 0.4.150 is stable
+CDBS_BUILD_DEPENDS_class_python-sugar_python = $(or $(cdbs_python2_defaultruntime),$(cdbs_python_binary))
 
 # Build-depend unversioned on debhelper
 #  TODO: Drop when adopted in cdbs