diff --git a/src/js/components/App.js b/src/js/components/App.js
index defae02..aa20907 100644
--- a/src/js/components/App.js
+++ b/src/js/components/App.js
@@ -10,6 +10,7 @@ import {
   ERROR_UNKNOWN,
   ERROR_UNAUTHORIZED,
   ERROR_UPGRADE_REQUIRED,
+  extractAndSetTag,
   findProjectByValue,
   findProjectByIdentifier,
   findTask,
@@ -80,13 +81,11 @@ class App extends Component {
       seconds:
         this.changeset.hours &&
         new TimeInputParser(this.changeset.hours).parseSeconds(),
-      description: service?.description
+      description: service?.description,
+      tag: ""
     }
 
-    return {
-      ...defaults,
-      ...this.changeset
-    }
+    return { ...defaults, ...this.changeset }
   }
 
   componentDidMount() {
@@ -124,7 +123,7 @@ class App extends Component {
     chrome.runtime.sendMessage({
       type: "createActivity",
       payload: {
-        activity: this.changesetWithDefaults,
+        activity: extractAndSetTag(this.changesetWithDefaults),
         service
       }
     })
diff --git a/src/js/utils/index.js b/src/js/utils/index.js
index 3cb7e3e..b2523ce 100644
--- a/src/js/utils/index.js
+++ b/src/js/utils/index.js
@@ -86,3 +86,16 @@ export const formatDate = date => format(date, "YYYY-MM-DD")
 
 export const extensionSettingsUrl = () =>
   `chrome://extensions/?id=${chrome.runtime.id}`
+
+export const extractAndSetTag = changeset => {
+  let { description } = changeset
+  const match = description.match(/^#(\S+)/)
+  if (!match) {
+    return changeset
+  }
+  return {
+    ...changeset,
+    description: description.replace(/^#\S+\s/, ""),
+    tag: match[1]
+  }
+}
diff --git a/test/utils/index.test.js b/test/utils/index.test.js
index 936918c..19ff70c 100644
--- a/test/utils/index.test.js
+++ b/test/utils/index.test.js
@@ -3,7 +3,8 @@ import {
   findProjectByValue,
   findProjectByIdentifier,
   findTask,
-  groupedProjectOptions
+  groupedProjectOptions,
+  extractAndSetTag
 } from "../../src/js/utils"
 import { map } from "lodash/fp"
 
@@ -86,4 +87,36 @@ describe("utils", () => {
       ])
     })
   })
+
+  describe("extractAndSetTag", () => {
+    it("sets the correct tag and updates description", () => {
+      const changeset = {
+        description: "#meeting Lorem ipsum",
+        tag: ""
+      }
+
+      expect(extractAndSetTag(changeset)).toEqual({
+        description: "Lorem ipsum",
+        tag: "meeting"
+      })
+    })
+
+    it("only matches tag at the beginning", () => {
+      const changeset = {
+        description: "Lorem #meeting ipsum",
+        tag: ""
+      }
+
+      expect(extractAndSetTag(changeset)).toEqual(changeset)
+    })
+
+    it("returns the changeset if not tag is set", () => {
+      const changeset = {
+        description: "Without tag",
+        tag: ""
+      }
+
+      expect(extractAndSetTag(changeset)).toEqual(changeset)
+    })
+  })
 })