1 files changed, 2 insertions, 2 deletions
diff --git a/137 b/137
index 4dbf8474..f27a248f 100755
--- a/137
+++ b/137
@@ -47,7 +47,7 @@ do
 		echo error creating/writing file $file
 		exit
 	fi
-	i=`expr $i + 1`
+	let i=$i+1
 done
 
 # give the system a chance to write something out
@@ -90,7 +90,7 @@ do
 			rm -f $file
 		fi
 	fi
-	i=`expr $i + 1`
+	let i=$i+1
 done
 
 status=0