diff --git a/src/inet/visualizer/canvas/scene/NetworkNodeCanvasVisualization.cc b/src/inet/visualizer/canvas/scene/NetworkNodeCanvasVisualization.cc
index 43df498fcb61..4b379a0b8824 100644
--- a/src/inet/visualizer/canvas/scene/NetworkNodeCanvasVisualization.cc
+++ b/src/inet/visualizer/canvas/scene/NetworkNodeCanvasVisualization.cc
@@ -215,10 +215,10 @@ void NetworkNodeCanvasVisualization::layout()
     std::vector<cFigure::Rectangle> rcs; // rectangles of annotations already positioned
     std::vector<cFigure::Point> pts; // candidate points where annotations may be positioned
     cFigure::Rectangle extendendSubmoduleBounds = submoduleBounds;
-    extendendSubmoduleBounds.x -= annotationSpacing / 2;
-    extendendSubmoduleBounds.y -= annotationSpacing / 2;
-    extendendSubmoduleBounds.width += annotationSpacing;
-    extendendSubmoduleBounds.height += annotationSpacing;
+    extendendSubmoduleBounds.x -= annotationSpacing;
+    extendendSubmoduleBounds.y -= annotationSpacing;
+    extendendSubmoduleBounds.width += 2 * annotationSpacing;
+    extendendSubmoduleBounds.height += 2 * annotationSpacing;
     rcs.push_back(extendendSubmoduleBounds);
     pts.push_back(getTopLeft(extendendSubmoduleBounds));
     pts.push_back(getTopCenter(extendendSubmoduleBounds));