diff --git a/errors.go b/errors.go
new file mode 100644
index 0000000..f5095e4
--- /dev/null
+++ b/errors.go
@@ -0,0 +1,9 @@
+package pathmatch
+
+import (
+	"errors"
+)
+
+var (
+	errNilTarget = errors.New("pathmatch: Nil Target")
+)