diff --git a/check_iostat/check_iostat.sh b/check_iostat/check_iostat.sh
index d746bc7..322469d 100644
--- a/check_iostat/check_iostat.sh
+++ b/check_iostat/check_iostat.sh
@@ -99,7 +99,7 @@ waittime=0
 printperfdata=0
 STATE="OK"
 sampleTime=3
-samples=2i
+samples=2
 status=0
 
 MSG=""