diff --git a/dune/subgrid/subgrid/subgridfaceiterator.hh b/dune/subgrid/subgrid/subgridfaceiterator.hh
index ffbd057d10aedf46f6fbaafaed58b7b928b07f7c..9bd06b4ce1d51be8d96e45b09eff2318087c8f0f 100644
--- a/dune/subgrid/subgrid/subgridfaceiterator.hh
+++ b/dune/subgrid/subgrid/subgridfaceiterator.hh
@@ -338,7 +338,7 @@ protected:
         {
             index_ = -1;
             const HostElement& e = *it_;
-            for(uint i=0; i < e.subEntities(1); ++i)
+            for(unsigned int i=0; i < e.subEntities(1); ++i)
                 if (Base::isSubFace(father, fatherFace, e, i)) {
                     index_ = i;
                     break;
diff --git a/dune/subgrid/subgrid/subgridindexstorage.hh b/dune/subgrid/subgrid/subgridindexstorage.hh
index 26d100dfdea5f2a299a39f281586c1cb7ca33077..b22ff76dc78a40547f0d5d33797f2eead0941e82 100644
--- a/dune/subgrid/subgrid/subgridindexstorage.hh
+++ b/dune/subgrid/subgrid/subgridindexstorage.hh
@@ -834,7 +834,7 @@ class SubGridVectorSubindexSetter
         //! \todo Please doc me !
         static void insertSubEntities(SubGridVectorIndexStorage<GridType>& indexStorage, const Element& e, bool isLeaf, int level)
         {
-            for(uint i=0; i < e.subEntities(codim); ++i)
+            for(unsigned int i=0; i < e.subEntities(codim); ++i)
             {
                 // get host index and GeometryType index of entity
                 int hostIndex = indexStorage.template getHostLevelSubIndex<0>(level, e, i, codim);
@@ -863,7 +863,7 @@ class SubGridVectorSubindexSetter
                                 nonLeafCopyFound = false;
                                 father = father.father();
                                 --fatherLevel;
-                                for(uint j=0; j < father.subEntities(codim); ++j)
+                                for(unsigned int j=0; j < father.subEntities(codim); ++j)
                                 {
                                     // if subentity is copy of ancestor subentity
                                     //     copy leaf index from father subentity