diff --git a/src/icon16.png b/src/icon16.png
new file mode 100644
index 0000000..d0117ce
Binary files /dev/null and b/src/icon16.png differ
diff --git a/src/manifest-chromium.json b/src/manifest-chromium.json
index c019991..9981d00 100644
--- a/src/manifest-chromium.json
+++ b/src/manifest-chromium.json
@@ -11,6 +11,7 @@
         "scripts": ["js/background.dist.js"]
     },
     "icons": {
+        "16": "icon16.png",
         "128": "icon.png"
     },
     "browser_action": {
diff --git a/src/manifest-firefox.json b/src/manifest-firefox.json
index b5103f2..3dbd8e4 100644
--- a/src/manifest-firefox.json
+++ b/src/manifest-firefox.json
@@ -10,6 +10,7 @@
         "scripts": ["js/background.dist.js"]
     },
     "icons": {
+        "16": "icon16.png",
         "128": "icon.png"
     },
     "browser_action": {