diff --git a/plugins/gpu/nvidia_gpu_ b/plugins/gpu/nvidia_gpu_
index b324e9eb..56741504 100755
--- a/plugins/gpu/nvidia_gpu_
+++ b/plugins/gpu/nvidia_gpu_
@@ -198,7 +198,7 @@ case $name in
 			totalMemGpu=`echo "$totalMemGpus" | sed -n $(( $nGpusCounter + 1 ))p`
 			usedMemGpu=`echo "$usedMemGpus" | sed -n $(( $nGpusCounter + 1 ))p`
 			percentMemUsed=$(( $usedMemGpu * 100 / $totalMemGpu ))
-			valueGpus="${valueGpus}${percentMemUsed}"$(printf '\n')
+			valueGpus="${valueGpus}${percentMemUsed}"$'\n'
 			: $(( nGpusCounter = $nGpusCounter + 1 ))
 		done
 		;;