diff --git a/Makefile.in b/Makefile.in
index 8274db6eadc..6f2b962d416 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -190,7 +190,7 @@ bindinggen_dependencies := $(addprefix $(BINDINGS_SRC)/, BindingGen.py Bindings.
 
 $(AUTOGEN_SRC_servo): %Binding.rs: $(bindinggen_dependencies) \
                                    %.webidl
-	PYTHONDONTWRITEBYTECODE=1 python $(BINDINGS_SRC)/pythonpath.py \
+	PYTHONDONTWRITEBYTECODE=1 $(CFG_PYTHON2) $(BINDINGS_SRC)/pythonpath.py \
 	  -I$(BINDINGS_SRC)/parser -I$(BINDINGS_SRC)/ply \
 	  -D$(BINDINGS_SRC) \
 	  $(BINDINGS_SRC)/BindingGen.py rs \
@@ -204,7 +204,7 @@ $(CACHE_DIR)/.done:
 
 $(BINDINGS_SRC)/ParserResults.pkl: $(globalgen_dependencies) \
                                    $(WEBIDL_servo)
-	PYTHONDONTWRITEBYTECODE=1 python $(BINDINGS_SRC)/pythonpath.py \
+	PYTHONDONTWRITEBYTECODE=1 $(CFG_PYTHON2) $(BINDINGS_SRC)/pythonpath.py \
 	  -I$(BINDINGS_SRC)/parser -I$(BINDINGS_SRC)/ply \
 	  -D$(BINDINGS_SRC) \
 	  $(BINDINGS_SRC)/GlobalGen.py $(BINDINGS_SRC)/Bindings.conf . \
diff --git a/configure b/configure
index 2e7ebb59a52..3f3187a205b 100755
--- a/configure
+++ b/configure
@@ -296,6 +296,7 @@ fi
 step_msg "looking for build programs"
 
 probe_need CFG_GIT         git
+probe_need CFG_PYTHON2     python2 python2.7 python
 probe CFG_CLANG            clang++
 probe CFG_GCC              gcc
 probe CFG_LD               ld