diff --git a/src/src/circuit.cc b/src/src/circuit.cc
index ff6ccc2..7203688 100644
--- a/src/src/circuit.cc
+++ b/src/src/circuit.cc
@@ -1320,7 +1320,7 @@ void drawDecoration( uint16_t index )
         int X = circuit[index]->X + circuit[index]->CumulatedCurve - 1.5*circuit[index]->W - image->width/2;
         int Y = circuit[index]->Y - image->height;
 
-        dimage( X, Y, image );
+        dimage_p4_clearbg_alt( X, Y, image, 0, image->alpha );
     }
 
     deco = circuit[index]->RDeco;
@@ -1332,7 +1332,7 @@ void drawDecoration( uint16_t index )
         int X = circuit[index]->X + circuit[index]->CumulatedCurve + 1.5*circuit[index]->W - image->width/2;
         int Y = circuit[index]->Y - image->height;
 
-        dimage( X, Y, image );
+        dimage_p4_clearbg_alt( X, Y, image, 0, image->alpha );
     }
 }