diff --git a/libraries/AP_Camera/AP_Camera.cpp b/libraries/AP_Camera/AP_Camera.cpp
index 358ed6e8d1..88613236bc 100644
--- a/libraries/AP_Camera/AP_Camera.cpp
+++ b/libraries/AP_Camera/AP_Camera.cpp
@@ -1,4 +1,4 @@
-// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: t -*-
+// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
 
 #include <AP_Camera.h>
 #include <AP_Relay.h>
diff --git a/libraries/AP_Camera/AP_Camera.h b/libraries/AP_Camera/AP_Camera.h
index d6fa2cfe0f..2d8648b8e0 100644
--- a/libraries/AP_Camera/AP_Camera.h
+++ b/libraries/AP_Camera/AP_Camera.h
@@ -1,4 +1,4 @@
-// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: t -*-
+// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
 
 /// @file	AP_Camera.h
 /// @brief	Photo or video camera manager, with EEPROM-backed storage of constants.