diff --git a/tests/gc.sh b/tests/gc.sh
index 0adb05bf..8b4f8d28 100644
--- a/tests/gc.sh
+++ b/tests/gc.sh
@@ -7,7 +7,7 @@ outPath=$(nix-store -rvv "$drvPath")
 rm -f "$NIX_STATE_DIR"/gcroots/foo
 ln -sf $outPath "$NIX_STATE_DIR"/gcroots/foo
 
-[ "$(nix-store -q --roots $outPath)" = "$NIX_STATE_DIR"/gcroots/foo ]
+[ "$(nix-store -q --roots $outPath)" = "$NIX_STATE_DIR/gcroots/foo -> $outPath" ]
 
 nix-store --gc --print-roots | grep $outPath
 nix-store --gc --print-live | grep $outPath