diff --git a/java/platform_compat_config.go b/java/platform_compat_config.go
index 715485f..d5c7579 100644
--- a/java/platform_compat_config.go
+++ b/java/platform_compat_config.go
@@ -80,6 +80,12 @@
 	p.metadata = outputPath
 }
 
+func (p *platformCompatConfigSingleton) MakeVars(ctx android.MakeVarsContext) {
+	if p.metadata != nil {
+		ctx.Strict("INTERNAL_PLATFORM_MERGED_COMPAT_CONFIG", p.metadata.String())
+	}
+}
+
 func (p *platformCompatConfig) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 	rule := android.NewRuleBuilder()