diff --git a/anko/library/generator/build.gradle b/anko/library/generator/build.gradle
index 0a985d6c..d8af3bd1 100644
--- a/anko/library/generator/build.gradle
+++ b/anko/library/generator/build.gradle
@@ -5,7 +5,7 @@ mainClassName = "org.jetbrains.android.anko.Main"
 
 run {
     // Replace "verify" with "generate" to update generated files
-    args = ["versions", System.getenv("ANKO_ENERATOR_MODE") ?: "verify",
+    args = ["versions", System.getenv("ANKO_GENERATOR_MODE") ?: "verify",
             "--configuration=anko/props/configuration.json",
             "--outputDirectory=anko/library/generated",
             "--androidSdk=dependencies/android-sdk"]