diff --git a/java/aar.go b/java/aar.go
index fcdd9c3..9cab0bd 100644
--- a/java/aar.go
+++ b/java/aar.go
@@ -189,7 +189,7 @@
 
 	// Version code
 	if !hasVersionCode {
-		linkFlags = append(linkFlags, "--version-code", ctx.Config().PlatformSdkVersion())
+		linkFlags = append(linkFlags, "--version-code", ctx.Config().PlatformSdkVersion().String())
 	}
 
 	if !hasVersionName {