diff --git a/detect.sh b/detect.sh
index bb6e5ba..6a9474b 100644
--- a/detect.sh
+++ b/detect.sh
@@ -1,21 +1,24 @@
 #!/usr/bin/env bash
 
-if command -v docker &>/dev/null
+# Si docker existe -> apps docker
+if command -v docker >/dev/null 2>&1
 then
     echo docker
-    exit
+    exit 0
 fi
 
-if command -v apt &>/dev/null
-then
-    echo apt
-    exit
-fi
-
-if command -v apk &>/dev/null
+# Sinon si apk -> alpine
+if command -v apk >/dev/null 2>&1
 then
     echo apk
-    exit
+    exit 0
+fi
+
+# Sinon apt (debian / ubuntu)
+if command -v apt-get >/dev/null 2>&1
+then
+    echo apt
+    exit 0
 fi
 
 echo unknown
\ No newline at end of file