diff --git a/.github/workflows/compile-examples.yml b/.github/workflows/compile-examples.yml
index f984b24..510d892 100644
--- a/.github/workflows/compile-examples.yml
+++ b/.github/workflows/compile-examples.yml
@@ -36,9 +36,11 @@ jobs:
           - fqbn: arduino:mbed_portenta:envie_m7
             platforms: |
               - name: arduino:mbed_portenta
+            artifact-name-suffix: arduino-mbed_portenta-envie_m7
           - fqbn: arduino:mbed_portenta:portenta_x8
             platforms: |
               - name: arduino:mbed_portenta
+            artifact-name-suffix: arduino-mbed_portenta-portenta_x8
 
     steps:
       - name: Checkout repository
@@ -65,4 +67,4 @@ jobs:
         with:
           if-no-files-found: error
           path: ${{ env.SKETCHES_REPORTS_PATH }}
-          name: ${{ env.SKETCHES_REPORTS_PATH }}
+          name: sketches-report-${{ matrix.board.artifact-name-suffix }}
diff --git a/.github/workflows/report-size-deltas.yml b/.github/workflows/report-size-deltas.yml
index 30b6ca0..7fd30a7 100644
--- a/.github/workflows/report-size-deltas.yml
+++ b/.github/workflows/report-size-deltas.yml
@@ -20,5 +20,5 @@ jobs:
       - name: Comment size deltas reports to PRs
         uses: arduino/report-size-deltas@v1
         with:
-          # The name of the workflow artifact created by the sketch compilation workflow
-          sketches-reports-source: sketches-reports
+          # Regex matching the names of the workflow artifacts created by the "Compile Examples" workflow
+          sketches-reports-source: ^sketches-report-.+