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-rw-r--r--libraries/SoftwareSerial/SoftwareSerial.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libraries/SoftwareSerial/SoftwareSerial.h b/libraries/SoftwareSerial/SoftwareSerial.h
index e0e4746..27c0bfc 100644
--- a/libraries/SoftwareSerial/SoftwareSerial.h
+++ b/libraries/SoftwareSerial/SoftwareSerial.h
@@ -88,7 +88,7 @@ public:
void end();
bool isListening() { return this == active_object; }
bool stopListening();
- bool overflow() { bool ret = _buffer_overflow; _buffer_overflow = false; return ret; }
+ bool overflow() { bool ret = _buffer_overflow; if (ret) _buffer_overflow = false; return ret; }
int peek();
virtual size_t write(uint8_t byte);