diff --git a/docs/SignedAPKAndroid.md b/docs/SignedAPKAndroid.md
index 4b108a69dcd..2a5df0666ee 100644
--- a/docs/SignedAPKAndroid.md
+++ b/docs/SignedAPKAndroid.md
@@ -54,10 +54,12 @@ android {
     defaultConfig { ... }
     signingConfigs {
         release {
-            storeFile file(MYAPP_RELEASE_STORE_FILE)
-            storePassword MYAPP_RELEASE_STORE_PASSWORD
-            keyAlias MYAPP_RELEASE_KEY_ALIAS
-            keyPassword MYAPP_RELEASE_KEY_PASSWORD
+            if (project.hasProperty('MYAPP_RELEASE_STORE_FILE')) {
+                storeFile file(MYAPP_RELEASE_STORE_FILE)
+                storePassword MYAPP_RELEASE_STORE_PASSWORD
+                keyAlias MYAPP_RELEASE_KEY_ALIAS
+                keyPassword MYAPP_RELEASE_KEY_PASSWORD
+            }
         }
     }
     buildTypes {