diff --git a/bindings/Makefile b/bindings/Makefile
index 296b44f3..bc5fb243 100644
--- a/bindings/Makefile
+++ b/bindings/Makefile
@@ -24,8 +24,8 @@ build:
 	$(MAKE) -C go gen_const
 	$(MAKE) -C java gen_const
 	$(MAKE) -C ruby gen_const
-	python const_generator.py dotnet
-	python const_generator.py pascal
+	python3 const_generator.py dotnet
+	python3 const_generator.py pascal
 
 install: build
 	$(MAKE) -C python install
@@ -40,7 +40,7 @@ python:
 %.c.txt: c
 	$(ENV_VARS) ../samples/$(@:%.c.txt=%) > $@
 %.py.txt: python
-	$(ENV_VARS) python python/$(@:%.txt=%) > $@
+	$(ENV_VARS) python3 python/$(@:%.txt=%) > $@
 
 %.py.test: %.c.txt %.py.txt
 	$(DIFF) -u $(@:%.py.test=%.c.txt) $(@:%.py.test=%.py.txt)
diff --git a/bindings/go/Makefile b/bindings/go/Makefile
index fe898ae1..f8b0d5f1 100644
--- a/bindings/go/Makefile
+++ b/bindings/go/Makefile
@@ -6,7 +6,7 @@ all: gen_const
 	cd unicorn && go build
 
 gen_const:
-	cd .. && python const_generator.py go
+	cd .. && python3 const_generator.py go
 
 test: all
 	cd unicorn && LD_LIBRARY_PATH=../../../ DYLD_LIBRARY_PATH=../../../ go test
diff --git a/bindings/java/Makefile b/bindings/java/Makefile
index 73d20725..313db888 100644
--- a/bindings/java/Makefile
+++ b/bindings/java/Makefile
@@ -19,7 +19,7 @@ uninstall:
 	$(MAKE) -f Makefile.build uninstall
 
 gen_const:
-	cd .. && python const_generator.py java
+	cd .. && python3 const_generator.py java
 
 clean:
 	rm -f unicorn/*.class
diff --git a/bindings/python/Makefile b/bindings/python/Makefile
index ea831fd9..363d646f 100644
--- a/bindings/python/Makefile
+++ b/bindings/python/Makefile
@@ -3,16 +3,16 @@
 .PHONY: gen_const install install3 clean sdist sdist3 bdist bdist3 sdist_win bdist_win
 
 gen_const:
-	cd .. && python const_generator.py python
+	cd .. && python3 const_generator.py python
 
 install:
 	rm -rf src/ dist/
 	rm -rf prebuilt/win64/unicorn.dll
 	rm -rf prebuilt/win32/unicorn.dll
 	if test -n "${DESTDIR}"; then \
-		python setup.py install --root="${DESTDIR}"; \
+		python3 setup.py install --root="${DESTDIR}"; \
 	else \
-		python setup.py install; \
+		python3 setup.py install; \
 	fi
 
 install3:
@@ -30,7 +30,7 @@ sdist:
 	rm -rf src/ dist/
 	rm -rf prebuilt/win64/unicorn.dll
 	rm -rf prebuilt/win32/unicorn.dll
-	python setup.py sdist register upload
+	python3 setup.py sdist register upload
 
 # build & upload PyPi package with source code of the core
 sdist3:
@@ -44,7 +44,7 @@ bdist:
 	rm -rf src/ dist/
 	rm -rf prebuilt/win64/unicorn.dll
 	rm -rf prebuilt/win32/unicorn.dll
-	python setup.py bdist_wheel register upload
+	python3 setup.py bdist_wheel register upload
 
 # build & upload PyPi package with precompiled core
 bdist3:
@@ -57,7 +57,7 @@ bdist3:
 # NOTE: be sure to have precompiled core under prebuilt/win*/ beforehand
 sdist_win:
 	rm -rf src/ dist/
-	python setup.py sdist register upload
+	python3 setup.py sdist register upload
 
 # build & upload PyPi package with prebuilt core
 # NOTE: be sure to have precompiled core under prebuilt/win*/ beforehand
diff --git a/bindings/ruby/Makefile b/bindings/ruby/Makefile
index 9d52de94..aa92fa53 100644
--- a/bindings/ruby/Makefile
+++ b/bindings/ruby/Makefile
@@ -8,4 +8,4 @@ install: gen_const
 	cd unicorn_gem && gem install --local pkg/unicorn-engine-1.0.1.gem
 
 gen_const:
-	cd .. && python const_generator.py ruby
+	cd .. && python3 const_generator.py ruby