diff --git a/java/aar.go b/java/aar.go
index 13c5369..16d82af 100644
--- a/java/aar.go
+++ b/java/aar.go
@@ -143,7 +143,16 @@
 	}
 
 	if !hasVersionName {
-		versionName := proptools.NinjaEscape([]string{ctx.Config().AppsDefaultVersionName()})[0]
+		var versionName string
+		if ctx.ModuleName() == "framework-res" {
+			// Some builds set AppsDefaultVersionName() to include the build number ("O-123456").  aapt2 copies the
+			// version name of framework-res into app manifests as compileSdkVersionCodename, which confuses things
+			// if it contains the build number.  Use the DefaultAppTargetSdk instead.
+			versionName = ctx.Config().DefaultAppTargetSdk()
+		} else {
+			versionName = ctx.Config().AppsDefaultVersionName()
+		}
+		versionName = proptools.NinjaEscape([]string{versionName})[0]
 		linkFlags = append(linkFlags, "--version-name ", versionName)
 	}