diff --git a/package-lock.json b/package-lock.json
index 6541e7d..8b2dd8a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@diamondlightsource/cs-web-lib",
-  "version": "0.9.0",
+  "version": "0.9.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@diamondlightsource/cs-web-lib",
-      "version": "0.9.0",
+      "version": "0.9.1",
       "license": "ISC",
       "dependencies": {
         "apollo-link-retry": "^2.2.16",
diff --git a/package.json b/package.json
index 273b36d..700851f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@diamondlightsource/cs-web-lib",
-  "version": "0.9.0",
+  "version": "0.9.1",
   "description": "Control system web library",
   "main": "dist/cjs/index.js",
   "scripts": {
diff --git a/src/redux/store.ts b/src/redux/store.ts
index 635e08e..04ab51e 100644
--- a/src/redux/store.ts
+++ b/src/redux/store.ts
@@ -23,10 +23,10 @@ const buildConnection = (config?: CsWebLibConfig) => {
     config?.PVWS_SOCKET ??
     process.env.VITE_PVWS_SOCKET ??
     import.meta.env.VITE_PVWS_SOCKET;
-  const PVWS_SSL =
-    (config?.PVWS_SSL ??
-      process.env.VITE_PVWS_SSL ??
-      import.meta.env.VITE_PVWS_SSL) === "true";
+  const PVWS_SSL = !!(
+    config?.PVWS_SSL ??
+    (process.env.VITE_PVWS_SSL ?? import.meta.env.VITE_PVWS_SSL) === "true"
+  );
 
   const simulator = new SimulatorPlugin();
   const plugins: [string, Connection][] = [["sim://", simulator]];