diff --git a/libraries/AP_AnalogSource/AnalogSource.h b/libraries/AP_AnalogSource/AnalogSource.h
index cbd2b6c96d..675016dec7 100644
--- a/libraries/AP_AnalogSource/AnalogSource.h
+++ b/libraries/AP_AnalogSource/AnalogSource.h
@@ -4,8 +4,8 @@
 
 class AP_AnalogSource
 {
-    public:
-    virtual float read(void) = 0;
+public:
+    virtual float        read(void) = 0;
 };
 
 #endif // __ANALOG_SOURCE_H__