diff --git a/apex/apex_test.go b/apex/apex_test.go
index b9285ae..e0bf5e5 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -4930,7 +4930,7 @@
 			}
 		}
 		if !foundLibfooJar {
-			t.Errorf("Rule for libfoo.jar missing in dex_bootjars singleton outputs %q", android.StringPathsRelativeToTop(ctx.Config().BuildDir(), s.AllOutputs()))
+			t.Errorf("Rule for libfoo.jar missing in dex_bootjars singleton outputs %q", android.StringPathsRelativeToTop(ctx.Config().SoongOutDir(), s.AllOutputs()))
 		}
 	}