diff --git a/conf/explorers/os b/conf/explorers/os
index 3bd3f2ef..41d70545 100755
--- a/conf/explorers/os
+++ b/conf/explorers/os
@@ -32,6 +32,8 @@ fi
 
 [ -f /etc/debian_version ] && echo debian
 
+[ -f /etc/gentoo-release ] && echo gentoo
+
 [ -f /etc/redhat-release ] && echo redhat
 
 # ensure correct exit, otherwise other explorer won't get started