diff --git a/hardware/mcp3008/package.json b/hardware/mcp3008/package.json
index f9a6a028..218ce52d 100644
--- a/hardware/mcp3008/package.json
+++ b/hardware/mcp3008/package.json
@@ -1,9 +1,9 @@
 {
     "name"          : "node-red-node-pi-mcp3008",
-    "version"       : "0.2.0",
+    "version"       : "0.2.1",
     "description"   : "A Node-RED node to read from the MCP3008 Analogue to Digital Converter",
     "dependencies"  : {
-        "mcp-spi-adc": "^2.0.3"
+        "mcp-spi-adc": "^2.0.6"
     },
     "repository" : {
         "type":"git",
diff --git a/hardware/mcp3008/pimcp3008.js b/hardware/mcp3008/pimcp3008.js
index 492f8d6b..e765836f 100644
--- a/hardware/mcp3008/pimcp3008.js
+++ b/hardware/mcp3008/pimcp3008.js
@@ -62,8 +62,8 @@ module.exports = function(RED) {
         node.on("close", function(done) {
             if (mcp3xxx.length !== 0) {
                 var j=0;
-                for (var i=0; i<8; i++) {
-                    mcp3xxx[i].close(function() { j += 1; if (j === 8) {done()} });
+                for (var i=0; i<chans; i++) {
+                    mcp3xxx[i].close(function() { j += 1; if (j === chans) {done()} });
                 }
                 mcp3xxx = [];
             }