diff --git a/include/Algo/Render/GL2/topo3Render.hpp b/include/Algo/Render/GL2/topo3Render.hpp
index 5612a9f98e679e2a18819f248e5dd726588f0a6c..933295c6ca8f0a4c52ff4ac884136b30ea9b72c6 100644
--- a/include/Algo/Render/GL2/topo3Render.hpp
+++ b/include/Algo/Render/GL2/topo3Render.hpp
@@ -311,7 +311,7 @@ void Topo3Render::setDartsIdColor(typename PFP::MAP& map, const FunctorSelect& g
 			else
 			{
 				CGoGNerr << "Error buffer too small for color picking (change the good parameter ?)" << CGoGNendl;
-				d = map.end();
+				break;
 			}
 		}
 	}
diff --git a/include/Algo/Render/GL2/topoRender.hpp b/include/Algo/Render/GL2/topoRender.hpp
index 4d3ca64ea92e417709e5767678aaaf08136c6020..9627d7d2e3294a5502a99f3e877375224f0636a0 100644
--- a/include/Algo/Render/GL2/topoRender.hpp
+++ b/include/Algo/Render/GL2/topoRender.hpp
@@ -383,12 +383,13 @@ void TopoRender::setDartsIdColor(typename PFP::MAP& map, const FunctorSelect& go
 
 				nb++;
 			}
+			else
+			{
+				CGoGNerr << "Error buffer too small for color picking (change the good parameter ?)" << CGoGNendl;
+				break;
+			}
 		}
-		else
-		{
-			CGoGNerr << "Error buffer too small for color picking (change the good parameter ?)" << CGoGNendl;
-			d = map.end();
-		}
+
 	}
 	glUnmapBuffer(GL_ARRAY_BUFFER);
 }