diff --git a/.github/workflows/ci-kotlin-matrix.yml b/.github/workflows/ci-kotlin-matrix.yml
index 7dec5218..048d339e 100644
--- a/.github/workflows/ci-kotlin-matrix.yml
+++ b/.github/workflows/ci-kotlin-matrix.yml
@@ -9,6 +9,7 @@ on:
 
 jobs:
   build:
+    name: K2=${{ matrix.kotlin-use-k2 }} | ${{ matrix.kotlin-version }} | ${{ matrix.patch-file }}
     strategy:
       fail-fast: false
       matrix:
@@ -18,10 +19,14 @@ jobs:
           '[1.9.20-dev,1.9.20-dev-9999['
         ]
         kotlin-use-k2: [ 'false', 'true' ]
-        patch-file: [ '' ]
-        include:
-          - kotlin-use-k2: 'true' # patch is only needed for K2
+        patch-file: [ '', './.github/patches/K2_workaround.patch' ]
+        exclude:
+          # patch is only needed for K2
+          - kotlin-use-k2: 'false'
             patch-file: ./.github/patches/K2_workaround.patch
+          # it's not possible to use K2 with kotlin 1.8.21
+          - kotlin-use-k2: 'true'
+            kotlin-version: ''
     uses: ./.github/workflows/run-tests.yml
     with:
       kotlin-version: ${{ matrix.kotlin-version }}