diff --git a/src/Mod/TechDraw/Gui/QGIViewPart.cpp b/src/Mod/TechDraw/Gui/QGIViewPart.cpp
index 2c5d48fe3a..be1af4c2f5 100644
--- a/src/Mod/TechDraw/Gui/QGIViewPart.cpp
+++ b/src/Mod/TechDraw/Gui/QGIViewPart.cpp
@@ -418,8 +418,10 @@ void QGIViewPart::drawAllEdges()
                 showItem = formatGeomFromCenterLine(cTag, item);
             }
             else {
-                Base::Console().message("QGIVP::drawVP - cosmetic edge: %d is confused - source: %d\n",
-                                        iEdge, static_cast<int>(source));
+                // there are 3 source types (GEOMETRY, COSMETICEDGE, CENTERLINE). Something broke if we
+                // get here for for an edge that claims to be cosmetic.
+                Base::Console().warning("In %s, cosmetic edge: %d is neither COSMETICEDGE nor CENTERLINE - actual source type: %d\n",
+                                        dvp->Label.getValue(), iEdge, static_cast<int>(source));
             }
         } else {
             // geometry edge - apply format if applicable