diff --git a/src/OpenMesh/Tools/Decimater/McDecimaterT.cc b/src/OpenMesh/Tools/Decimater/McDecimaterT.cc
index fed92a47..b83afde0 100644
--- a/src/OpenMesh/Tools/Decimater/McDecimaterT.cc
+++ b/src/OpenMesh/Tools/Decimater/McDecimaterT.cc
@@ -136,9 +136,9 @@ size_t McDecimaterT<Mesh>::decimate(size_t _n_collapses) {
 
       // Random halfedge handle
 #ifdef WIN32
-      tmpHandle = typename Mesh::HalfedgeHandle(int(randGen.getRand()  * (mesh_.n_halfedges() - 1)) );
+      tmpHandle = typename Mesh::HalfedgeHandle(int(randGen.getRand() * (mesh_.n_halfedges() - 1)) );
 #else
-      tmpHandle = typename Mesh::HalfedgeHandle((static_cast<double>(rand()) / RAND_MAX) * (mesh_.n_halfedges()-1) );
+      tmpHandle = typename Mesh::HalfedgeHandle( (double(rand()) / double(RAND_MAX) ) * double(mesh_.n_halfedges()-1) );
 #endif
 
       // if it is not deleted, we analyse it
@@ -258,9 +258,9 @@ size_t McDecimaterT<Mesh>::decimate_to_faces(size_t _nv, size_t _nf) {
 
       // Random halfedge handle
 #ifdef WIN32
-      tmpHandle = typename Mesh::HalfedgeHandle(int(randGen.getRand()  * (mesh_.n_halfedges() - 1)) );
+      tmpHandle = typename Mesh::HalfedgeHandle(int(randGen.getRand() * (mesh_.n_halfedges() - 1)) );
 #else
-      tmpHandle = typename Mesh::HalfedgeHandle((static_cast<double>(rand()) / RAND_MAX) * (mesh_.n_halfedges() - 1));
+      tmpHandle = typename Mesh::HalfedgeHandle( ( double(rand()) / double(RAND_MAX) ) * double(mesh_.n_halfedges() - 1));
 #endif
 
       // if it is not deleted, we analyse it