diff --git a/README.md b/README.md
index 8f12716..cff31d5 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ jobs:
           server-name: "gh-actions-server"
           server-type: "cx11"
           server-location: "nbg1"
-          image-name: "ubuntu-20.04"
+          image-identifier: "ubuntu-20.04"
           ssh-key-name: "my key name"
           hcloud-token: ${{ secrets.HCLOUD_TOKEN }}
 ```
@@ -152,7 +152,7 @@ jobs:
           server-name: "gh-actions-server"
           server-type: "cx11"
           server-location: "nbg1"
-          image-name: "ubuntu-20.04"
+          image-identifier: "ubuntu-20.04"
           ssh-key-name: "my key name"
           hcloud-token: ${{ secrets.HCLOUD_TOKEN }}
       - uses: webfactory/ssh-agent@v0.4.1
@@ -191,7 +191,7 @@ jobs:
           server-name: "server"
           server-type: "cx11"
           server-location: "nbg1"
-          image-name: "ubuntu-20.04"
+          image-identifier: "ubuntu-20.04"
           ssh-key-name: "my key name"
           hcloud-token: ${{ secrets.HCLOUD_TOKEN }}
           startup-timeout: 40000
diff --git a/action.yml b/action.yml
index 335dca8..b50aed5 100644
--- a/action.yml
+++ b/action.yml
@@ -12,8 +12,8 @@ inputs:
   server-location:
     description: "The Hetzner server location (nbg1|...) you want your server to be."
     required: true
-  image-name:
-    description: "The name of the Operating System image your server should be initiated with."
+  image-identifier:
+    description: "The name or ID of the Operating System image your server should be initiated with."
     required: true
   image-type:
     description: "The type (system|snapshot|backup|app) of the Operating System image your server should be initiated with."
diff --git a/dist/clean/index.js b/dist/clean/index.js
index 97dc37c..f509c39 100644
--- a/dist/clean/index.js
+++ b/dist/clean/index.js
@@ -44,7 +44,7 @@ const options = {
     type: core.getInput("server-type"),
   },
   image: {
-    name: core.getInput("image-name"),
+    name: core.getInput("image-identifier"),
     type: core.getInput("image-type"),
   },
   sshKeyName: core.getInput("ssh-key-name"),
diff --git a/dist/deploy/index.js b/dist/deploy/index.js
index 8c5c9c5..0496137 100644
--- a/dist/deploy/index.js
+++ b/dist/deploy/index.js
@@ -50,7 +50,7 @@ module.exports = /******/ (() => {
           type: core.getInput("server-type"),
         },
         image: {
-          name: core.getInput("image-name"),
+          name: core.getInput("image-identifier"),
           type: core.getInput("image-type"),
         },
         sshKeyName: core.getInput("ssh-key-name"),
diff --git a/lib.js b/lib.js
index b294ce5..5f24f68 100644
--- a/lib.js
+++ b/lib.js
@@ -15,7 +15,7 @@ const options = {
     type: core.getInput("server-type"),
   },
   image: {
-    name: core.getInput("image-name"),
+    name: core.getInput("image-identifier"),
     type: core.getInput("image-type"),
   },
   sshKeyName: core.getInput("ssh-key-name"),
diff --git a/test/index_test.js b/test/index_test.js
index a5ed5f5..28b229f 100644
--- a/test/index_test.js
+++ b/test/index_test.js
@@ -56,7 +56,7 @@ test("if a request creates a server on Hetzner Cloud", async (t) => {
             return options.server.type;
           case "server-location":
             return options.server.location;
-          case "image-name":
+          case "image-identifier":
             return options.image.name;
           case "image-type":
             return options.image.type;
@@ -126,7 +126,7 @@ test("if a server can be deleted in cleanup ", async (t) => {
             return options.server.type;
           case "server-location":
             return options.server.location;
-          case "image-name":
+          case "image-identifier":
             return options.image.name;
           case "image-type":
             return options.image.type;
@@ -187,7 +187,7 @@ test("if a server is kept when delete-server input is set to false", async (t) =
             return options.server.type;
           case "server-location":
             return options.server.location;
-          case "image-name":
+          case "image-identifier":
             return options.image.name;
           case "image-type":
             return options.image.type;
@@ -558,7 +558,7 @@ test("if a request creates a server on Hetzner Cloud from snapshot", async (t) =
             return options.server.type;
           case "server-location":
             return options.server.location;
-          case "image-name":
+          case "image-identifier":
             return options.image.name;
           case "image-type":
             return options.image.type;