diff --git a/src/zm_monitor.cpp b/src/zm_monitor.cpp
index 6c75b1819..1a219c3b1 100644
--- a/src/zm_monitor.cpp
+++ b/src/zm_monitor.cpp
@@ -1240,11 +1240,11 @@ bool Monitor::CheckSignal( const Image *image )
             
 		if(colours == ZM_COLOUR_GRAY8) {
 			if ( *(buffer+index) != grayscale_val )
-					return true;
-
+				return true;
+			
 		} else if(colours == ZM_COLOUR_RGB24) {
 			const uint8_t *ptr = buffer+(index*colours);
-
+			
 			if ( usedsubpixorder == ZM_SUBPIX_ORDER_BGR) {
 				if ( (RED_PTR_BGRA(ptr) != red_val) || (GREEN_PTR_BGRA(ptr) != green_val) || (BLUE_PTR_BGRA(ptr) != blue_val) )
 					return true;
@@ -1253,17 +1253,17 @@ bool Monitor::CheckSignal( const Image *image )
 				if ( (RED_PTR_RGBA(ptr) != red_val) || (GREEN_PTR_RGBA(ptr) != green_val) || (BLUE_PTR_RGBA(ptr) != blue_val) )
 					return true;
 			}
-
+			
 		} else if(colours == ZM_COLOUR_RGB32) {
 			if ( usedsubpixorder == ZM_SUBPIX_ORDER_ARGB || usedsubpixorder == ZM_SUBPIX_ORDER_ABGR) {
 				if ( ARGB_ABGR_ZEROALPHA(*(((const Rgb*)buffer)+index)) != ARGB_ABGR_ZEROALPHA(colour_val) )
 					return true;
 			} else {
-					/* Assume RGBA or BGRA */
-					if ( RGBA_BGRA_ZEROALPHA(*(((const Rgb*)buffer)+index)) != RGBA_BGRA_ZEROALPHA(colour_val) )
-						return true;
-				}
+				/* Assume RGBA or BGRA */
+				if ( RGBA_BGRA_ZEROALPHA(*(((const Rgb*)buffer)+index)) != RGBA_BGRA_ZEROALPHA(colour_val) )
+					return true;
 			}
+		}
         
         }
         return( false );