diff --git a/src/provider.go b/src/provider.go
index e938c3e..a944128 100644
--- a/src/provider.go
+++ b/src/provider.go
@@ -128,7 +128,7 @@ func (p Provider) raw (s string) string {
 	argsStart := strings.Index(parts[2], "(")
 	argsEnd := strings.Index(parts[2], ")")
 	if argsStart == -1 || argsEnd == -1 || argsEnd < argsStart {
-		// TODO: Cover this with logging
+		logger.Error("Could not identify arguments for " + parts[2])
 		return ""
 	}
 
diff --git a/src/provider_test.go b/src/provider_test.go
index 9521aaa..2819226 100644
--- a/src/provider_test.go
+++ b/src/provider_test.go
@@ -46,8 +46,8 @@ func TestGet(t *testing.T) {
 		t.Errorf("Unsupported method not handled correctly")
 	}
 
-	r7 := provider.Get("faker.Internet().Slug") 
-	if r7 != "" {
-		t.Errorf("Got a value and was expecting empty string")
+	_ = provider.Get("faker.Internet().Slug") 
+	if hook.LastEntry().Message != "Could not identify arguments for Slug" {
+		t.Errorf("Malformed arguments not handled correctly")
 	}
 }
\ No newline at end of file