diff --git a/ccache/action.yml b/ccache/action.yml
index acaeae3..25ec286 100644
--- a/ccache/action.yml
+++ b/ccache/action.yml
@@ -79,6 +79,7 @@ runs:
         ccache --version || echo "No local ccache installation found"
 
     - name: Setup fixed path ccache caching
+      if: ${{ github.event_name != 'pull_request_target' }}
       uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
       with:
         path: |
@@ -96,6 +97,20 @@ runs:
           ${{ format('ccache-{0}-{1}', inputs.cache-prefix, github.ref_name) }}
           ${{ format('ccache-{0}-{1}', inputs.cache-prefix, github.base_ref) }}
 
+    - name: Restore fixed path ccache
+      if: ${{ github.event_name == 'pull_request_target' }}
+      uses: actions/cache/restore@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
+      with:
+        path: |
+          .ccache/**
+          !.ccache/lock
+          !.ccache/tmp
+        key: ${{ format('ccache-{0}-{1}-{2}', inputs.cache-prefix, github.ref_name, github.sha) }}
+        restore-keys: |
+          ${{ format('ccache-{0}-{1}-{2}', inputs.cache-prefix, github.ref_name, github.sha) }}
+          ${{ format('ccache-{0}-{1}', inputs.cache-prefix, github.ref_name) }}
+          ${{ format('ccache-{0}-{1}', inputs.cache-prefix, github.base_ref) }}
+
     - name: Enable module support
       if: ${{ inputs.support-modules }}
       shell: bash