diff --git a/lock-cable.sh b/lock-cable.sh
index 11627fedcf7e1812f918650e3c7022758ec9578a..1a42ab3660e2299b2efaf05a168d4ad8e4e6a643 100755
--- a/lock-cable.sh
+++ b/lock-cable.sh
@@ -26,35 +26,25 @@
 # Exit status
 # - 0 : Lock file created for cable
 # - 101 : CABLES_LOCKED_FOLDER missing
+# - 102 : CABLE_COLOR missing
+# - 103 : cable already locked
 
 CABLES_LOCKED_FOLDER=$1
+CABLE_COLOR=$2
 
 if [ -z $CABLES_LOCKED_FOLDER ]
 then
   exit 101
 fi
 
-while [ -z ${CABLE} ]
-do
-
-  sleep 1
-
-  if [ -f ${CABLES_LOCKED_FOLDER}/blue.lock ] && [ -f ${CABLES_LOCKED_FOLDER}/red.lock ] && [ -f ${CABLES_LOCKED_FOLDER}/green.lock ]
-  then
-    continue
-  fi
-
-  CABLE=blue
-  
-  if [ -f ${CABLES_LOCKED_FOLDER}/red.lock ] && [ ! -f ${CABLES_LOCKED_FOLDER}/green.lock ] 
-  then
-    CABLE=green
-  elif [ -f ${CABLES_LOCKED_FOLDER}/blue.lock ] && [ ! -f ${CABLES_LOCKED_FOLDER}/red.lock ] 
-  then
-    CABLE=red
-  fi
+if [ -z $CABLE_COLOR ]
+then
+  exit 102
+fi
 
-done
+if [ -f ${CABLES_LOCKED_FOLDER}/${CABLE_COLOR}.lock ]
+then
+  exit 103
+fi
 
-echo ${CABLE}
-mkdir -p ${CABLES_LOCKED_FOLDER} && touch ${CABLES_LOCKED_FOLDER}/${CABLE}.lock
+mkdir -p ${CABLES_LOCKED_FOLDER} && touch ${CABLES_LOCKED_FOLDER}/${CABLE_COLOR}.lock