diff --git a/hardware/PiLiter/39-rpi-piliter.js b/hardware/PiLiter/39-rpi-piliter.js
index 5c069824..33446a9c 100644
--- a/hardware/PiLiter/39-rpi-piliter.js
+++ b/hardware/PiLiter/39-rpi-piliter.js
@@ -5,7 +5,7 @@ module.exports = function(RED) {
     var spawn = require('child_process').spawn;
     var fs = require('fs');
 
-    var gpioCommand = __dirname+'/nrgpio.py';
+    var gpioCommand = __dirname+'/nrgpio';
     var allOK = true;
 
     try {
diff --git a/hardware/PiLiter/package.json b/hardware/PiLiter/package.json
index d6eaf089..bcb8e013 100644
--- a/hardware/PiLiter/package.json
+++ b/hardware/PiLiter/package.json
@@ -1,6 +1,6 @@
 {
     "name"          : "node-red-node-piliter",
-    "version"       : "0.0.15",
+    "version"       : "0.0.16",
     "description"   : "A Node-RED node to drive a Raspberry Pi Pi-LITEr 8 LED board.",
     "dependencies"  : {
     },
diff --git a/hardware/PiSrf/package.json b/hardware/PiSrf/package.json
index 2788e051..4a03d4a1 100644
--- a/hardware/PiSrf/package.json
+++ b/hardware/PiSrf/package.json
@@ -1,6 +1,6 @@
 {
     "name"          : "node-red-node-pisrf",
-    "version"       : "0.1.5",
+    "version"       : "0.1.6",
     "description"   : "A Node-RED node for a Raspberry Pi to use a SRF04 or SRF05 range finder",
     "dependencies"  : {
     },
diff --git a/hardware/PiSrf/pisrf.js b/hardware/PiSrf/pisrf.js
index 6fa23377..aed2c45c 100644
--- a/hardware/PiSrf/pisrf.js
+++ b/hardware/PiSrf/pisrf.js
@@ -5,7 +5,7 @@ module.exports = function(RED) {
     var spawn = require('child_process').spawn;
     var fs = require('fs');
 
-    var gpioCommand = __dirname + '/nrsrf.py';
+    var gpioCommand = __dirname + '/nrsrf';
     var allOK = true;
 
     try {