diff --git a/install b/install
index f2d67b2..f6cf3fb 100755
--- a/install
+++ b/install
@@ -200,14 +200,14 @@ cmd_docker() {
     __install_from_sandbox
 }
 
-cmd_check() {
+is_target_installed() {
     local not_fully_installed=0
 
     local targetfile
     for targetfile in ${TARGETS["$1"]}
     do
         if [ "${targetfile::1}" = "%" ]; then
-            cmd_check "${targetfile:1}" || not_fully_installed=1
+            is_target_installed "${targetfile:1}" || not_fully_installed=1
         else
             if [ ! -e "$TARGET_PATH/$targetfile" ]; then
                 echo "$targetfile not linked"
@@ -233,17 +233,20 @@ find_targets_that_depend_on() {
     done
 }
 
+die_if_installed_targets_depend_on() {
+    for reverse_dependecy in $(find_targets_that_depend_on "$1")
+    do
+        if is_target_installed "$reverse_dependecy" >/dev/null; then
+            _die "target '$reverse_dependecy' is depends on installed target '$1'. Exiting..." 1
+        fi
+    done
+}
+
 cmd_unlink() {
     local target targetfile
     for target in "$@"
     do
-        for reverse_dependecy in $(find_targets_that_depend_on "$target")
-        do
-            if cmd_check "$reverse_dependecy" >/dev/null; then
-                echo "'$reverse_dependecy' is depends on installed '$target'. Exiting..."
-                exit 1
-            fi
-        done
+        die_if_installed_targets_depend_on "$target"
 
         for targetfile in ${TARGETS["$target"]}
         do
@@ -307,10 +310,10 @@ unset executed_command
 readonly executed_command="$1"
 
 case "$executed_command" in
-    unlink) shift;   cmd_unlink   "$@" ;;
-    check) shift;    cmd_check    "$@" ;;
-    list) shift;     cmd_list     "$@" ;;
-    help) shift;     cmd_help     "$@" ;;
+    unlink) shift;   cmd_unlink             "$@" ;;
+    check) shift;    is_target_installed    "$@" ;;
+    list) shift;     cmd_list               "$@" ;;
+    help) shift;     cmd_help               "$@" ;;
     *) shift;        cmd_install "$executed_command" "$@" ;;
 esac
 exit 0