diff --git a/CHANGELOG.md b/CHANGELOG.md
index 95b5d2a..5b6825e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 2.7.1 - 09 Jun 2026
+
+* fix parsing of @fingers-enabled-builtin-patterns ( Fixes #176 )
+* update install-wizard and readme to show that shards is required
+* relax parsing of --patterns flag in cli
+
 ## 2.7.0 - 31 May 2026
 
 * improved performance: ~30% faster
diff --git a/install-wizard.sh b/install-wizard.sh
index 2755957..4dffe13 100755
--- a/install-wizard.sh
+++ b/install-wizard.sh
@@ -31,8 +31,8 @@ trap finish EXIT
 function install_from_source() {
   echo "Installing from source..."
 
-  # check if shards is installed
-  if ! command -v shards >/dev/null 2>&1; then
+  # check if crystal is installed
+  if ! command -v crystal >/dev/null 2>&1; then
     echo "crystal is not installed. Please install it first."
     echo ""
     echo "  https://crystal-lang.org/install/"
@@ -40,6 +40,15 @@ function install_from_source() {
     exit 1
   fi
 
+  # check if shards is installed
+  if ! command -v shards >/dev/null 2>&1; then
+    echo "shards is not installed. Please install it first."
+    echo ""
+    echo "  https://crystal-lang.org/reference/latest/man/shards/index.html"
+    echo ""
+    exit 1
+  fi
+
   pushd $CURRENT_DIR > /dev/null
     WIZARD_INSTALLATION_METHOD=build-from-source shards build --production
   popd > /dev/null
diff --git a/shard.yml b/shard.yml
index 6614eab..312c8ee 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,5 +1,5 @@
 ---
-version: 2.7.0
+version: 2.7.1
 name: fingers
 authors:
 - Jorge Morante <jorge@morante.eu>
diff --git a/src/fingers/options.cr b/src/fingers/options.cr
index cbcf979..2b4fd42 100644
--- a/src/fingers/options.cr
+++ b/src/fingers/options.cr
@@ -13,7 +13,7 @@ define_bool_option :skip_wizard, false
 
 define_enum_option :hint_position, %w(left right), "left"
 define_enum_option :keyboard_layout, Fingers::ALPHABET_MAP.keys, "qwerty"
-define_enum_option :enabled_builtin_patterns, ["all", *Fingers::BUILTIN_PATTERNS.keys], "all"
+define_multi_enum_option :enabled_builtin_patterns, ["all", *Fingers::BUILTIN_PATTERNS.keys], "all"
 
 define_action_option :main, ":copy:"
 define_action_option :ctrl, ":open:"
diff --git a/src/fingers/options/macros.cr b/src/fingers/options/macros.cr
index c8d54f4..d89b21a 100644
--- a/src/fingers/options/macros.cr
+++ b/src/fingers/options/macros.cr
@@ -76,6 +76,20 @@ macro define_enum_option(name, possible_values, default)
   end
 end
 
+macro define_multi_enum_option(name, possible_values, default)
+  module Fingers::Options
+    class {{name.camelcase.id}} < Base
+      include ::Fingers::Options::Parsers::MultiEnumParser
+      DEFAULT = {{ default }}
+      alias Type = String
+
+      def possible_values
+        {{ possible_values }}
+      end
+    end
+  end
+end
+
 macro define_key_option(name, default)
   module Fingers::Options
     class {{name.camelcase.id}} < Base
diff --git a/src/fingers/options/parsers/multi_enum_parser.cr b/src/fingers/options/parsers/multi_enum_parser.cr
new file mode 100644
index 0000000..f371a7f
--- /dev/null
+++ b/src/fingers/options/parsers/multi_enum_parser.cr
@@ -0,0 +1,19 @@
+module Fingers::Options::Parsers::MultiEnumParser
+  def valid?(value : String) : Tuple(Bool, String)
+    invalid = value.split(",").reject { |name| possible_values_as_strings.includes?(name) }
+
+    if invalid.empty?
+      { true, "ok" }
+    else
+      { false, "Invalid value(s) '#{invalid.join(",")}'. Possible values are: #{possible_values.join(", ")}" }
+    end
+  end
+
+  def possible_values
+    [] of String
+  end
+
+  def possible_values_as_strings
+    possible_values.map { |value| value.to_s }
+  end
+end
diff --git a/src/fingers/options/patterns.cr b/src/fingers/options/patterns.cr
index 94ce22a..67cf3c9 100644
--- a/src/fingers/options/patterns.cr
+++ b/src/fingers/options/patterns.cr
@@ -7,7 +7,7 @@ module Fingers::Options
 
     def parse(raw_value : String, option_name : String)
       val = {} of String => String
-      val[option_name.gsub(/^pattern-/, "")] = raw_value
+      val[option_name.gsub(/^pattern[-_]/, "")] = raw_value
       val
     end