diff --git a/src/system/kernel/debug/blue_screen.cpp b/src/system/kernel/debug/blue_screen.cpp
index 5ce750a4d5..8fa09a89f5 100644
--- a/src/system/kernel/debug/blue_screen.cpp
+++ b/src/system/kernel/debug/blue_screen.cpp
@@ -71,7 +71,7 @@ next_line(void)
 	}
 
 #if NO_CLEAR
-	sModule->fill_glyph(0, sScreen.y + 2, sScreen.columns, 1, ' ', sScreen.attr);
+	sModule->fill_glyph(0, (sScreen.y + 2) % sScreen.rows, sScreen.columns, 1, ' ', sScreen.attr);
 #endif
 	sScreen.x = 0;
 }