diff --git a/Components/6845/CRTC6845.hpp b/Components/6845/CRTC6845.hpp
index 959f7f8a0..011b00b13 100644
--- a/Components/6845/CRTC6845.hpp
+++ b/Components/6845/CRTC6845.hpp
@@ -153,17 +153,17 @@ template <class T> class CRTC6845 {
 					} else {
 						line_counter_ = (line_counter_ + 1) & 0x7f;
 
-						// check for end of visible lines
-						if(line_counter_ == registers_[6]) {
-							line_is_visible_ = false;
-						}
-
 						// check for start of vertical sync
 						if(line_counter_ == registers_[7]) {
 							bus_state_.vsync = true;
 							vsync_down_counter_ = registers_[3] >> 4;
 							if(!vsync_down_counter_) vsync_down_counter_ = 16;
 						}
+
+						// check for end of visible lines
+						if(line_counter_ == registers_[6]) {
+							line_is_visible_ = false;
+						}
 					}
 				} else {
 					bus_state_.row_address = (bus_state_.row_address + 1) & 0x1f;