diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index ff3e0f0..f2a2f8f 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -54,6 +54,7 @@ jobs:
           key: android-cmake-v1
 
       - name: Setup signing config
+        if: env.KEYSTORE_FILE_BASE64 != '' && env.KEYSTORE_PROPERTIES_FILE_BASE64 != ''
         run: |
           cd os/android
           echo "$KEYSTORE_FILE_BASE64" | base64 --decode > debug.keystore
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6e28054..980fbc5 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -33,6 +33,7 @@ jobs:
           key: android-cmake-v1
 
       - name: Setup signing config
+        if: env.KEYSTORE_FILE_BASE64 != '' && env.KEYSTORE_PROPERTIES_FILE_BASE64 != ''
         run: |
           cd os/android
           echo "$KEYSTORE_FILE_BASE64" | base64 --decode > release.keystore