diff --git a/Common/OctreeInternals.cpp b/Common/OctreeInternals.cpp
index 600143b0a1bf3903839094613758a2bdfc1c8b4a..d76f27b86ac002f90b8130c7b64ab336d9f0ebd8 100644
--- a/Common/OctreeInternals.cpp
+++ b/Common/OctreeInternals.cpp
@@ -241,7 +241,7 @@ int subdivideOctantBucket(octantBucket *_bucket, globalInfo *_globalPara)
   // _bucket->next  = (octantBucket *) calloc(numBuck,sizeof(octantBucket));
 
   if (!_bucket->next) {
-    fprintf(stderr,"Error, subdivideOctantBucket could not allocate enough space\n");
+    Msg::Error("subdivideOctantBucket could not allocate enough space");
     return 0;
   }
 
@@ -295,7 +295,7 @@ void *searchElement(octantBucket *_buckets_head, double *_pt, globalInfo *_globa
      
   ptrBucket = findElementBucket(_buckets_head, _pt);
   if (ptrBucket == NULL) {
-    printf("Error! the point is not in the domain.\n");
+    Msg::Error("The point is not in the domain");
     return NULL;
   }