diff --git a/.github/workflows/__shared-ci.yml b/.github/workflows/__shared-ci.yml
index e125778..c15f87a 100644
--- a/.github/workflows/__shared-ci.yml
+++ b/.github/workflows/__shared-ci.yml
@@ -12,3 +12,8 @@ jobs:
     uses: ./.github/workflows/linter.yml
     secrets:
       github-token: ${{ secrets.github-token }}
+
+  test-matrix-outputs:
+    name: Test get & set matrix outputs actions
+    needs: linter
+    uses: ./.github/workflows/__test-matrix-outputs.yml
diff --git a/.github/workflows/__test-matrix-outputs.yml b/.github/workflows/__test-matrix-outputs.yml
new file mode 100644
index 0000000..7c5f0fc
--- /dev/null
+++ b/.github/workflows/__test-matrix-outputs.yml
@@ -0,0 +1,32 @@
+name: Internal - Test for get matrix outputs
+
+on:
+  workflow_call:
+
+jobs:
+  set-and-get-matrix-outputs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: ./actions/set-matrix-output
+        with:
+          value: '"test content 1"'
+          artifact-name: "test-matrix-outputs"
+
+      - uses: ./actions/set-matrix-output
+        with:
+          value: '"test content 2"'
+          artifact-name: "test-matrix-outputs"
+
+      - id: get-matrix-outputs
+        uses: ./actions/get-matrix-outputs
+        with:
+          artifact-name: test-matrix-outputs
+
+      - name: Check matrix outputs
+        run: |
+          if [ "${{ steps.get-matrix-outputs.outputs.result }}" != '["test content 1","test content 2"]' ]; then
+            echo "Get matrix outputs result is not valid"
+            exit 1
+          fi
diff --git a/actions/get-matrix-outputs/action.yml b/actions/get-matrix-outputs/action.yml
index 77b0343..6af9e63 100644
--- a/actions/get-matrix-outputs/action.yml
+++ b/actions/get-matrix-outputs/action.yml
@@ -15,14 +15,14 @@ inputs:
 outputs:
   result:
     description: "The matrix combined JSON outputs."
-    value: ${{ steps.get-matrix-outputs.outputs.result }}
+    value: ${{ steps.read-artifacts.outputs.result }}
 
 runs:
   using: "composite"
   steps:
     - uses: actions/download-artifact@v3
       with:
-        name: ${{ inputs.artifact-name }}}
+        name: ${{ inputs.artifact-name }}
         path: /tmp/${{ inputs.artifact-name }}
 
     - id: read-artifacts
diff --git a/actions/set-matrix-output/action.yml b/actions/set-matrix-output/action.yml
index 2bc1e4b..2b511ab 100644
--- a/actions/set-matrix-output/action.yml
+++ b/actions/set-matrix-output/action.yml
@@ -15,10 +15,6 @@ inputs:
   artifact-name:
     description: "The name of the artifact to upload."
     required: true
-outputs:
-  result:
-    description: "The matrix combined JSON outputs."
-    value: ${{ steps.get-issue-number.outputs.result }}
 
 runs:
   using: "composite"
@@ -41,7 +37,7 @@ runs:
           exit 1
         fi
 
-        echo '${{ inputs.matrix-output }}' > "$MATRIX_OUTPUT_FILE"
+        echo '${{ inputs.value }}' > "$MATRIX_OUTPUT_FILE"
 
     - uses: actions/upload-artifact@v3
       with: