diff --git a/Surface_mesh_simplification/include/CGAL/Surface_mesh_simplification/Policies/Edge_collapse/Edge_profile_impl.h b/Surface_mesh_simplification/include/CGAL/Surface_mesh_simplification/Policies/Edge_collapse/Edge_profile_impl.h
index e2465085d5b..d6bd218a2ac 100644
--- a/Surface_mesh_simplification/include/CGAL/Surface_mesh_simplification/Policies/Edge_collapse/Edge_profile_impl.h
+++ b/Surface_mesh_simplification/include/CGAL/Surface_mesh_simplification/Policies/Edge_collapse/Edge_profile_impl.h
@@ -196,7 +196,9 @@ void Edge_profile<ECM>::Extract_triangles_and_link( VertexIdxMap const&    verte
     if ( v2 != mV1 )
     {
       mLink.push_back(v2) ;
-      CGAL_assertion_code( bool lInserted = ) lCollected.insert(vertex_idx[v2]).second ;
+      CGAL_assertion_code( bool lInserted = )
+        lCollected.insert(vertex_idx[v2])
+          CGAL_assertion_code( .second ) ;
       CGAL_assertion(lInserted);
     }
       
diff --git a/Surface_mesher/demo/Surface_mesher/File_XT.h b/Surface_mesher/demo/Surface_mesher/File_XT.h
index fd8fb91872e..1c225c68f27 100644
--- a/Surface_mesher/demo/Surface_mesher/File_XT.h
+++ b/Surface_mesher/demo/Surface_mesher/File_XT.h
@@ -102,7 +102,9 @@ int lire_longueur_trace(const char * nomfich, long * long_trace)
 if ( (fin=fopen(nomfich,"rw"))!=NULL )
  {  
     fseek(fin,4,0);
-    fread(long_trace,4,1,fin);
+    if (fread(long_trace,4,1,fin) != 1) {
+      flag = -1;
+    }
     permuteLong((char *)long_trace);
     fclose(fin);
  }
@@ -119,7 +121,9 @@ int lire_nb_trace(const char * nomfich, long * nb_trace)
 if ( (fin=fopen(nomfich,"rw"))!=NULL )
  {  
     fseek(fin,8,0);
-    fread(nb_trace,4,1,fin);
+    if (fread(nb_trace,4,1,fin) != 1) {
+      flag = -1;
+    }
     permuteLong((char *)nb_trace);
     fclose(fin);
  }
@@ -136,7 +140,9 @@ int lire_nb_plan(const char * nomfich, long * nb_plan)
 if ( (fin=fopen(nomfich,"rw"))!=NULL )
  {  
     fseek(fin,12,0);
-    fread(nb_plan,4,1,fin);
+    if (fread(nb_plan,4,1,fin) != 1) {
+      flag = -1;
+    }
     permuteLong((char *)nb_plan);
     fclose(fin);
  }
@@ -154,7 +160,9 @@ int lire_nb_octet(const char * nomfich, long * nb_octet)
 if ( (fin=fopen(nomfich,"rw"))!=NULL )
  {  
     fseek(fin,36,0);
-    fread(nb_octet,4,1,fin);
+    if (fread(nb_octet,4,1,fin) != 1) {
+      flag = -1;
+    }
     permuteLong((char *)nb_octet);
     fclose(fin);
  }
@@ -172,7 +180,9 @@ int lire_longueur_entete(const char * nomfich, long * long_entete)
 if ( (fin=fopen(nomfich,"rw"))!=NULL )
  {  
     fseek(fin,72,0);
-    fread(long_entete,4,1,fin);
+    if (fread(long_entete,4,1,fin) != 1) {
+      flag = -1;
+    }
     permuteLong((char *)long_entete);
     fclose(fin);
  }