diff --git a/simgear/structure/SGSmplhist.cxx b/simgear/structure/SGSmplhist.cxx
index 8a976cea..769d2564 100644
--- a/simgear/structure/SGSmplhist.cxx
+++ b/simgear/structure/SGSmplhist.cxx
@@ -116,7 +116,7 @@ void SampleHistogram::reset ()
   this->SampleStatistic::reset ();
   if (howManyBuckets > 0)
     {
-      for (register int i = 0; i < howManyBuckets; i++)
+      for (int i = 0; i < howManyBuckets; i++)
 	{
 	  bucketCount[i] = 0;
 	}