diff --git a/src/main.cpp b/src/main.cpp
index 0523661..9edc357 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -194,8 +194,8 @@ void loop() {
     if (b != -1) {
       switch (b) {
         case '\n':
+          if (bytesIn && aLine[bytesIn-1] == '\0') break;
         case '\r':
-          if (b == '\n' && bytesIn && aLine[bytesIn-1] == '\0') break;
           Serial.println();
           aLine[bytesIn] = '\0';
           execute(aLine);