diff --git a/rpi/test_ambient.py b/rpi/test_ambient.py
index 902fe42..1e44932 100644
--- a/rpi/test_ambient.py
+++ b/rpi/test_ambient.py
@@ -31,4 +31,4 @@ def intH(channel):
 
 finally:
     GPIO.cleanup()
-    print "Bye"
+    print("Bye")
diff --git a/rpi/test_gesture.py b/rpi/test_gesture.py
index efea827..c5639f7 100644
--- a/rpi/test_gesture.py
+++ b/rpi/test_gesture.py
@@ -42,4 +42,4 @@ def intH(channel):
 
 finally:
     GPIO.cleanup()
-    print "Bye"
+    print("Bye")
diff --git a/rpi/test_prox.py b/rpi/test_prox.py
index d2c534b..c75e778 100644
--- a/rpi/test_prox.py
+++ b/rpi/test_prox.py
@@ -33,4 +33,4 @@ def intH(channel):
 
 finally:
     GPIO.cleanup()
-    print "Bye"
+    print("Bye")