diff --git a/src/comm/QGCSerialPortInfo.cc b/src/comm/QGCSerialPortInfo.cc
index 18188356e38a38de7bbc101e77187b0f9756acf1..eff879c0510c2a98dd6112254b4ec1799dd1af1e 100644
--- a/src/comm/QGCSerialPortInfo.cc
+++ b/src/comm/QGCSerialPortInfo.cc
@@ -340,7 +340,7 @@ bool QGCSerialPortInfo::isSystemPort(QSerialPortInfo* port)
     return false;
 }
 
-bool QGCSerialPortInfo::canFlash(void)
+bool QGCSerialPortInfo::canFlash(void) const
 {
     BoardType_t boardType;
     QString     name;
diff --git a/src/comm/QGCSerialPortInfo.h b/src/comm/QGCSerialPortInfo.h
index 7c394bce83b6d517d37e2491c9e282864981a8f9..3accd3d5dfa5f751c7d9f32f0f6a6cfc4f5336c2 100644
--- a/src/comm/QGCSerialPortInfo.h
+++ b/src/comm/QGCSerialPortInfo.h
@@ -43,7 +43,7 @@ public:
     bool getBoardInfo(BoardType_t& boardType, QString& name) const;
 
     /// @return true: we can flash this board type
-    bool canFlash(void);
+    bool canFlash(void) const;
 
     /// @return true: Board is currently in bootloader
     bool isBootloader(void) const;