diff --git a/app/build.gradle b/app/build.gradle
index 13eb6d1a4..03da57df7 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -14,7 +14,7 @@ android {
 
         buildConfigField "Integer", "databaseVersion", "19"
         buildConfigField "String", "databaseFilename", "\"uhabits.db\""
-        buildConfigField "Integer", "roboSdk", (System.getenv("ROBO_SDK")?: "25")
+        buildConfigField "int", "roboSdk", (System.getenv("ROBO_SDK")?: "25")
 
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         testInstrumentationRunnerArgument "size", "medium"