diff --git a/src/hooks/roofcover/useAuxiliaryDrawing.js b/src/hooks/roofcover/useAuxiliaryDrawing.js
index 6e95e79c..1a0d87bd 100644
--- a/src/hooks/roofcover/useAuxiliaryDrawing.js
+++ b/src/hooks/roofcover/useAuxiliaryDrawing.js
@@ -455,9 +455,24 @@ export function useAuxiliaryDrawing(id) {
       name: 'auxiliaryLine',
     })
 
-    lineHistory.current.push(line)
+    const historyLines = [...lineHistory.current]
+
+    const hasSameLine = historyLines.some((history) => {
+      return (
+        (isSamePoint(history.startPoint, line.startPoint) && isSamePoint(history.endPoint, line.endPoint)) ||
+        (isSamePoint(history.startPoint, line.endPoint) && isSamePoint(history.endPoint, line.startPoint))
+      )
+    })
+
     mousePointerArr.current = []
     clear()
+
+    if (hasSameLine) {
+      canvas.remove(line)
+      return
+    }
+
+    lineHistory.current.push(line)
   }
 
   const mouseDown = (e) => {