diff --git a/network/net_linux.go b/network/net_linux.go
index 1811460d..1bd5bc5b 100644
--- a/network/net_linux.go
+++ b/network/net_linux.go
@@ -145,5 +145,5 @@ func GetSupportedFrequencies(iface string) ([]int, error) {
 	} else if core.HasBinary("iwlist") {
 		return iwlistSupportedFrequencies(iface)
 	}
-	return fmt.Errorf("no iw or iwlist binaries found in $PATH")
+	return nil, fmt.Errorf("no iw or iwlist binaries found in $PATH")
 }