diff --git a/Examples/python-scipy-insecure/Makefile b/Examples/python-scipy-insecure/Makefile
index 1c070f97..5182fd41 100644
--- a/Examples/python-scipy-insecure/Makefile
+++ b/Examples/python-scipy-insecure/Makefile
@@ -9,16 +9,8 @@
 
 include ../../Scripts/Makefile.configs
 
-# Constants
-
-# By default, Graphene runs the system Python 3.5 executable.
-PYTHONVERSION ?= python3.5
-PYTHONPATH ?= /usr
-
-PYTHONHOME = $(PYTHONPATH)/lib/$(PYTHONVERSION)
-PYTHONEXEC = $(PYTHONPATH)/bin/$(PYTHONVERSION)
-PYTHONDISTHOME = $(PYTHONPATH)/lib/python3/dist-packages
-PYTHONSHORTVERSION = $(subst python,,$(subst .,,$(PYTHONVERSION)))
+# Python constants are declared in Makefile.python
+include ../../Scripts/Makefile.python
 
 # Relative path to Graphene root
 GRAPHENEDIR ?= ../..
diff --git a/Examples/python-simple/Makefile b/Examples/python-simple/Makefile
index 9a26a97a..e940ed48 100644
--- a/Examples/python-simple/Makefile
+++ b/Examples/python-simple/Makefile
@@ -9,16 +9,8 @@
 
 include ../../Scripts/Makefile.configs
 
-# Constants
-
-# By default, Graphene runs the system Python 3.5 executable.
-PYTHONVERSION ?= python3.5
-PYTHONPATH ?= /usr
-
-PYTHONHOME := $(PYTHONPATH)/lib/$(PYTHONVERSION)
-PYTHONEXEC := $(PYTHONPATH)/bin/$(PYTHONVERSION)
-PYTHONDISTHOME := $(PYTHONPATH)/lib/python3/dist-packages
-PYTHONSHORTVERSION := $(subst python,,$(subst .,,$(PYTHONVERSION)))
+# Python constants are declared in Makefile.python
+include ../../Scripts/Makefile.python
 
 # Relative path to Graphene root
 GRAPHENEDIR ?= ../..
diff --git a/Scripts/Makefile.python b/Scripts/Makefile.python
new file mode 100644
index 00000000..ead2fc13
--- /dev/null
+++ b/Scripts/Makefile.python
@@ -0,0 +1,8 @@
+# By default, Graphene runs the system Python 3.5 executable.
+PYTHONVERSION ?= python3.5
+PYTHONPATH ?= /usr
+
+PYTHONHOME := $(PYTHONPATH)/lib/$(PYTHONVERSION)
+PYTHONEXEC := $(PYTHONPATH)/bin/$(PYTHONVERSION)
+PYTHONDISTHOME := $(PYTHONPATH)/lib/python3/dist-packages
+PYTHONSHORTVERSION := $(subst python,,$(subst .,,$(PYTHONVERSION)))