diff --git a/examples/worker.js b/examples/worker.js
index 1d72ba9d..402f2f75 100644
--- a/examples/worker.js
+++ b/examples/worker.js
@@ -1,9 +1,22 @@
 importScripts("../lib/countly.js");
 
+const STORE={}; // in-memory storage for worker
+
 Countly.init({
     app_key: "YOUR_APP_KEY",
     url: "https://try.count.ly",
-    debug: true
+    debug: true,
+    storage: {
+        getItem: function (key) {
+            return STORE[key];
+        },
+        setItem: function (key, value) {
+            STORE[key] = value;
+        },
+        removeItem: function (key) {
+            delete STORE[key];
+        }
+    }
 });
 
 onmessage = function (e) {
diff --git a/lib/countly.js b/lib/countly.js
index ab88c4e6..54cbbac4 100644
--- a/lib/countly.js
+++ b/lib/countly.js
@@ -292,7 +292,7 @@
             this.ignore_visitor = getConfig("ignore_visitor", ob, false);
             this.require_consent = getConfig("require_consent", ob, false);
             this.track_domains = !isBrowser ? undefined : getConfig("track_domains", ob, true);
-            this.storage = !isBrowser ? "none" : getConfig("storage", ob, "default");
+            this.storage = getConfig("storage", ob, "default");
             this.enableOrientationTracking = !isBrowser ? undefined : getConfig("enable_orientation_tracking", ob, true);
             this.maxKeyLength = getConfig("max_key_length", ob, configurationDefaultValues.MAX_KEY_LENGTH);
             this.maxValueSize = getConfig("max_value_size", ob, configurationDefaultValues.MAX_VALUE_SIZE);
@@ -4419,9 +4419,9 @@
          *  @returns {Varies} values stored for key
          */
         function getValueFromStorage(key, useLocalStorage, useRawKey) {
-            // check if we should use storage at all
-            if (self.storage === "none") {
-                log(logLevelEnums.WARNING, "Storage is disabled. Value with key: " + key + " won't be retrieved");
+            // check if we should use storage at all. If in worker context but no storage is available, return early
+            if (self.storage === "none" || (typeof self.storage !== "object" && !isBrowser)) {
+                log(logLevelEnums.DEBUG, "Storage is disabled. Value with key: [" + key + "] won't be retrieved");
                 return;
             }
 
@@ -4433,11 +4433,16 @@
                 }
             }
 
+            var data;
+            if (typeof self.storage.getItem === "function") {
+                data = self.storage.getItem(key);
+                return key.endsWith("cly_id") ? data : self.deserialize(data);
+            }
+
             // developer set values takes priority
             if (useLocalStorage === undefined) {
                 useLocalStorage = lsSupport;
             }
-            var data;
 
             // Get value
             if (useLocalStorage) { // Native support
@@ -4465,8 +4470,8 @@
         */
         function setValueInStorage(key, value, useLocalStorage, useRawKey) {
             // check if we should use storage options at all
-            if (self.storage === "none") {
-                log(logLevelEnums.WARNING, "Storage is disabled. Value with key: " + key + " won't be stored");
+            if (self.storage === "none" || (typeof self.storage !== "object" && !isBrowser)) {
+                log(logLevelEnums.DEBUG, "Storage is disabled. Value with key: " + key + " won't be stored");
                 return;
             }
 
@@ -4478,12 +4483,17 @@
                 }
             }
 
-            // developer set values takes priority
-            if (useLocalStorage === undefined) {
-                useLocalStorage = lsSupport;
-            }
-
             if (typeof value !== "undefined" && value !== null) {
+                if (typeof self.storage.setItem === "function") {
+                    self.storage.setItem(key, value);
+                    return;
+                }
+
+                // developer set values takes priority
+                if (useLocalStorage === undefined) {
+                    useLocalStorage = lsSupport;
+                }
+
                 value = self.serialize(value);
                 // Set the store
                 if (useLocalStorage) { // Native support
@@ -4504,8 +4514,8 @@
         */
         function removeValueFromStorage(key, useLocalStorage, useRawKey) {
             // check if we should use storage options at all
-            if (self.storage === "none") {
-                log(logLevelEnums.WARNING, "Storage is disabled. Value with key: " + key + " won't be removed");
+            if (self.storage === "none" || (typeof self.storage !== "object" && !isBrowser)) {
+                log(logLevelEnums.DEBUG, "Storage is disabled. Value with key: " + key + " won't be removed");
                 return;
             }
 
@@ -4517,6 +4527,11 @@
                 }
             }
 
+            if (typeof self.storage.removeItem === "function") {
+                self.storage.removeItem(key);
+                return;
+            }
+
             // developer set values takes priority
             if (useLocalStorage === undefined) {
                 useLocalStorage = lsSupport;