diff --git a/.github/workflows/images_build.yml b/.github/workflows/images_build.yml
index 66e682ad9..10593d39b 100644
--- a/.github/workflows/images_build.yml
+++ b/.github/workflows/images_build.yml
@@ -338,12 +338,13 @@ jobs:
             echo "${cache_to[*]}"
             echo "::endgroup::"
 
-            cache_from=$(printf '%s%%0A' "${cache_from[@]}")
-            #cache_from="${cache_from%, }"
+            cache_from=$(printf '%s\n' "${cache_from[@]}")
             cache_to=$(printf '%s\n' "${cache_to[@]}")
             cache_to="${cache_to//$'\n'/'%0A'}"
 
-            echo "cache_from=$cache_from" >> $GITHUB_OUTPUT
+            echo 'cache_from<<EOF' >> "$GITHUB_OUTPUT"
+            echo "$cache_from" >> "$GITHUB_OUTPUT"
+            echo 'EOF' >> "$GITHUB_OUTPUT"
             echo "cache_to=$cache_to" >> $GITHUB_OUTPUT
 
       - name: Prepare cache data