diff --git a/light.sh b/light.sh
index acd1aa2..ccc49b1 100755
--- a/light.sh
+++ b/light.sh
@@ -80,7 +80,8 @@ case "$ROOM_NUMBER" in
 	  		done
 	  	done
 	  	) &
-	  	echo $! > ${TMPFILE_PID_BASE}_0
+                PID=$!
+                echo $PID > ${TMPFILE_PID_BASE}_0.$PID
 	  else
 	  	for i in {1..5}; do (echo -en "$COLOR" > /dev/udp/172.23.92.19/31302 &); sleep .01; done
 	  fi
@@ -113,7 +114,8 @@ case "$ROOM_NUMBER" in
 	  		done
 	  	done
 	  	) &
-	  	echo $! > ${TMPFILE_PID_BASE}_1_B
+                PID=$!
+                echo $PID > ${TMPFILE_PID_BASE}_1_B.$PID
 	  else
 	  	for i in {1..5}; do (echo -en "$COLOR_B" > /dev/udp/172.23.92.16/31302 &); sleep .01; done
 	  fi
@@ -146,7 +148,8 @@ case "$ROOM_NUMBER" in
                         done
                 done
                 ) &
-                echo $! > ${TMPFILE_PID_BASE}_2_B
+                PID=$!
+                echo $PID > ${TMPFILE_PID_BASE}_2_B.$PID
           else
 		COLOR_B_TMP=$COLOR_B
 		PIDS="$PIDS $!"