diff --git a/Packages-react/extensions/ohif-cornerstone-extension/package.json b/Packages-react/extensions/ohif-cornerstone-extension/package.json
index 8450b0a16..492dd8656 100644
--- a/Packages-react/extensions/ohif-cornerstone-extension/package.json
+++ b/Packages-react/extensions/ohif-cornerstone-extension/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ohif-cornerstone-extension",
-  "version": "0.0.8",
+  "version": "0.0.9",
   "description": "OHIF extension for Cornerstone",
   "author": "OHIF",
   "license": "MIT",
diff --git a/Packages-react/extensions/ohif-cornerstone-extension/src/ConnectedCornerstoneViewport.js b/Packages-react/extensions/ohif-cornerstone-extension/src/ConnectedCornerstoneViewport.js
index 1d759143a..b6b1c15c9 100644
--- a/Packages-react/extensions/ohif-cornerstone-extension/src/ConnectedCornerstoneViewport.js
+++ b/Packages-react/extensions/ohif-cornerstone-extension/src/ConnectedCornerstoneViewport.js
@@ -10,8 +10,8 @@ const mapStateToProps = (state, ownProps) => {
     const activeButton = state.tools.buttons.find(tool => tool.active === true);
     let availableTools;
 
-    if (state.extensions && state.extensions.cornerstone && state.extensions.availableTools) {
-      availableTools = state.extensions.availableTools;
+    if (state.extensions && state.extensions.cornerstone && state.extensions.cornerstone.availableTools) {
+      availableTools = state.extensions.cornerstone.availableTools;
     };
 
     // If this is the active viewport, enable prefetching.
diff --git a/Packages-react/ohif-viewer/package.json b/Packages-react/ohif-viewer/package.json
index ffb0e9ad3..d3a656fb9 100644
--- a/Packages-react/ohif-viewer/package.json
+++ b/Packages-react/ohif-viewer/package.json
@@ -104,7 +104,7 @@
     "hammerjs": "^2.0.8",
     "lodash.isequal": "^4.5.0",
     "ohif-core": "^0.2.8",
-    "ohif-cornerstone-extension": "^0.0.8",
+    "ohif-cornerstone-extension": "^0.0.9",
     "ohif-dicom-html-extension": "^0.0.2",
     "ohif-dicom-microscopy-extension": "^0.0.5",
     "ohif-dicom-pdf-extension": "^0.0.5",