diff --git a/src/common/meshmodel.cpp b/src/common/meshmodel.cpp
index 6c1a620de..29b20978b 100644
--- a/src/common/meshmodel.cpp
+++ b/src/common/meshmodel.cpp
@@ -77,7 +77,7 @@ QList<TagBase *> MeshDocument::getMeshTags(int meshId)
 	return meshTags;
 }
 
-void MeshDocument::setCurrentMesh(unsigned int i)
+void MeshDocument::setCurrentMesh( int i)
 {
   foreach(MeshModel *mmp, meshList)
   {
@@ -93,7 +93,7 @@ void MeshDocument::setCurrentMesh(unsigned int i)
 }
 
 //if i is <0 it means that no currentRaster is set
-void MeshDocument::setCurrentRaster(unsigned int i)
+void MeshDocument::setCurrentRaster( int i)
 {
   if(i<0)
   {
diff --git a/src/common/meshmodel.h b/src/common/meshmodel.h
index f764a3d4a..f29af42ff 100644
--- a/src/common/meshmodel.h
+++ b/src/common/meshmodel.h
@@ -396,10 +396,10 @@ public:
 	MeshModel *getMesh(const char *name);
 
 	//set the current mesh to be the one at index i of the mesh list
-	void setCurrentMesh(unsigned int i);
+  void setCurrentMesh( int i);
 
 	//set the current raster to be the one at index i of the raster list
-	void setCurrentRaster(unsigned int i);
+  void setCurrentRaster( int i);
 
 	MeshModel *mm() {
 		return currentMesh;