diff --git a/files/px4/widgets/px4_calibration.qgw b/files/px4/widgets/px4_calibration.qgw
index cd751672c51bdedede873b0fee3f956f010d2eaa..f6754edcf4e37fcc8df24b1ff6b97f92338c2c47 100644
--- a/files/px4/widgets/px4_calibration.qgw
+++ b/files/px4/widgets/px4_calibration.qgw
@@ -47,4 +47,15 @@ QGC_TOOL_WIDGET_ITEMS\4\QGC_COMMAND_BUTTON_PARAM4=0
 QGC_TOOL_WIDGET_ITEMS\4\QGC_COMMAND_BUTTON_PARAM5=0
 QGC_TOOL_WIDGET_ITEMS\4\QGC_COMMAND_BUTTON_PARAM6=0
 QGC_TOOL_WIDGET_ITEMS\4\QGC_COMMAND_BUTTON_PARAM7=0
-QGC_TOOL_WIDGET_ITEMS\size=4
+QGC_TOOL_WIDGET_ITEMS\5\QGC_COMMAND_BUTTON_DESCRIPTION=RC Trim calibration
+QGC_TOOL_WIDGET_ITEMS\5\QGC_COMMAND_BUTTON_BUTTONTEXT=TRIM
+QGC_TOOL_WIDGET_ITEMS\5\QGC_COMMAND_BUTTON_COMMANDID=241
+QGC_TOOL_WIDGET_ITEMS\5\QGC_COMMAND_BUTTON_PARAMS_VISIBLE=false
+QGC_TOOL_WIDGET_ITEMS\5\QGC_COMMAND_BUTTON_PARAM1=1
+QGC_TOOL_WIDGET_ITEMS\5\QGC_COMMAND_BUTTON_PARAM2=0
+QGC_TOOL_WIDGET_ITEMS\5\QGC_COMMAND_BUTTON_PARAM3=0
+QGC_TOOL_WIDGET_ITEMS\5\QGC_COMMAND_BUTTON_PARAM4=1
+QGC_TOOL_WIDGET_ITEMS\5\QGC_COMMAND_BUTTON_PARAM5=0
+QGC_TOOL_WIDGET_ITEMS\5\QGC_COMMAND_BUTTON_PARAM6=0
+QGC_TOOL_WIDGET_ITEMS\5\QGC_COMMAND_BUTTON_PARAM7=0
+QGC_TOOL_WIDGET_ITEMS\size=5