diff --git a/gah b/gah
index b80fb44..d652ab8 100755
--- a/gah
+++ b/gah
@@ -11,7 +11,7 @@ set -e
 #--------------------------------------------------
 #region Constants
 
-VERSION="0.2.1"
+VERSION="0.2.2"
 HELP_STRING="Type 'gah help' to show help."
 
 GAH_CACHE_DIR="$HOME/.cache/gah"
@@ -102,7 +102,7 @@ function get_arch_regexp_part() {
 }
 
 function get_filename_regexp() {
-	local name_regexp_part='[a-z][a-z0-9-]+?'
+	local name_regexp_part='[a-z][a-z0-9_-]+?'
 	local version_regexp_part='([_-]v?[0-9]+\.[0-9]+\.[0-9]+)?'
 	local os_regexp_part=$(get_os_regexp_part)
 	local arch_regexp_part=$(get_arch_regexp_part)