diff --git a/java/dex.go b/java/dex.go
index 7b6a99a..4d6aa34 100644
--- a/java/dex.go
+++ b/java/dex.go
@@ -343,7 +343,7 @@
 type compileDexParams struct {
 	flags         javaBuilderFlags
 	sdkVersion    android.SdkSpec
-	minSdkVersion android.SdkSpec
+	minSdkVersion android.ApiLevel
 	classesJar    android.Path
 	jarName       string
 }