diff --git a/src/openrct2-android/app/build.gradle b/src/openrct2-android/app/build.gradle
index eb5fa96ac2..404d980840 100644
--- a/src/openrct2-android/app/build.gradle
+++ b/src/openrct2-android/app/build.gradle
@@ -34,7 +34,12 @@ android {
     }
     buildTypes {
         release {
-            signingConfig signingConfigs.release
+            if (System.getenv('OPENRCT2_KEYSTORE_FILE') && System.getenv('OPENRCT2_KEYSTORE_PASSWORD')) {
+                signingConfig signingConfigs.release
+            } else {
+                // Fallback to ephemeral debug signing when keystore is not available
+                signingConfig signingConfigs.debug
+            }
         }
     }