diff --git a/vars/builder_aliases.go b/vars/builder_aliases.go
index cecfb84..616c83b 100644
--- a/vars/builder_aliases.go
+++ b/vars/builder_aliases.go
@@ -7,6 +7,9 @@ import (
 
 // BuilderAliases maps builder name to a function that returns if an input string (extra_data) is an alias
 var BuilderAliases = map[string]func(string) bool{
+	"penguinbuild.org": func(in string) bool {
+		return strings.Contains(in, "penguinbuild.org")
+	},
 	"builder0x69": func(in string) bool {
 		return strings.Contains(in, "builder0x69")
 	},
diff --git a/vars/builder_aliases_test.go b/vars/builder_aliases_test.go
index 2382f8d..17e345c 100644
--- a/vars/builder_aliases_test.go
+++ b/vars/builder_aliases_test.go
@@ -7,6 +7,7 @@ import (
 )
 
 func TestBuilderAliases(t *testing.T) {
+	require.Equal(t, "penguinbuild.org", BuilderNameFromExtraData("@penguinbuild.org"))
 	require.Equal(t, "foobar", BuilderNameFromExtraData("foobar"))
 	require.Equal(t, "builder0x69", BuilderNameFromExtraData("@builder0x69"))
 	require.Equal(t, "bob the builder", BuilderNameFromExtraData("s1e2xf"))