diff --git a/tools/regression/bin/sh/builtins/alias.0 b/tools/regression/bin/sh/builtins/alias.0
index 39c748adca6..bc8e2d875c5 100644
--- a/tools/regression/bin/sh/builtins/alias.0
+++ b/tools/regression/bin/sh/builtins/alias.0
@@ -3,4 +3,6 @@ set -e
 
 unalias -a
 alias foo=bar
+alias bar=
+alias quux="1 2 3"
 alias
diff --git a/tools/regression/bin/sh/builtins/alias.0.stdout b/tools/regression/bin/sh/builtins/alias.0.stdout
index 1d5d2961d0e..23a34025268 100644
--- a/tools/regression/bin/sh/builtins/alias.0.stdout
+++ b/tools/regression/bin/sh/builtins/alias.0.stdout
@@ -1 +1,3 @@
-foo='bar'
+foo=bar
+bar=''
+quux='1 2 3'