diff --git a/package.json b/package.json
index b7203d5e..48d1496d 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
         "c9.ide.language.javascript.tern": "#ad1d9b1b3a",
         "c9.ide.language.javascript.infer": "#8478e3c702",
         "c9.ide.language.jsonalyzer": "#83646961c7",
-        "c9.ide.collab": "#6cceb3f95d",
+        "c9.ide.collab": "#a8e597ae5e",
         "c9.ide.local": "#a9703b630c",
         "c9.ide.find": "#35379124ca",
         "c9.ide.find.infiles": "#c132ad243c",
diff --git a/scripts/install-sdk.sh b/scripts/install-sdk.sh
index 3f1a6a8c..70f0eb11 100755
--- a/scripts/install-sdk.sh
+++ b/scripts/install-sdk.sh
@@ -143,10 +143,12 @@ installGlobalDeps() {
 
 ############################################################################
 export C9_DIR="$HOME"/.c9
-if [[ $os == "windows" ]]; then
-    export PATH="$C9_DIR:$C9_DIR/node_modules/.bin:$PATH"
-else
-    export PATH="$C9_DIR/node/bin:$C9_DIR/node_modules/.bin:$PATH"
+if ! [[ `which npm` ]]; then
+    if [[ $os == "windows" ]]; then
+        export PATH="$C9_DIR:$C9_DIR/node_modules/.bin:$PATH"
+    else
+        export PATH="$C9_DIR/node/bin:$C9_DIR/node_modules/.bin:$PATH"
+    fi
 fi
 NPM=npm
 NODE=node