diff --git a/plugins/solaris/io_disk b/plugins/solaris/io_disk
index f50d58b0..8ea87e0d 100755
--- a/plugins/solaris/io_disk
+++ b/plugins/solaris/io_disk
@@ -105,10 +105,11 @@ functions='ops bytes busy queue latency'
 #     name_sd1=c0t0d0
 #     name_ssd2=c0tAB_1234d0  (shorten long target)
 #     ...
-declare $( paste -d= \
-    <( iostat -x | awk '{print $1}' | sed -e '1,2d' -e 's/^/name_/' ) \
-    <( iostat -xn | awk '{print $NF}' | sed -e '1,2d' -e 's/^\(c[0-9]*\)\(t.\{2\}\).*\(.\{4\}\)\(d[0-9]*\)$/\1\2_\3\4/' ) \
-    )
+instance_names=$( iostat -x | sed -e '1,2d' | awk '{print $1}' | \
+    sed -e 's/^/name_/' )
+logical_device_names=$( iostat -xn | sed -e '1,2d' | awk '{print $NF}' | \
+    sed -e 's/^\(c[0-9]*\)\(t.\{2\}\).*\(.\{4\}\)\(d[0-9]*\)$/\1\2_\3\4/' )
+declare $( paste -d= <( echo "$instance_names" ) <( echo "$logical_device_names" ) )
 
 # Functions