diff --git a/src/jp/mcbe/fuyutsuki/Texter/Main.php b/src/jp/mcbe/fuyutsuki/Texter/Main.php
index b89fa75..7f1d822 100644
--- a/src/jp/mcbe/fuyutsuki/Texter/Main.php
+++ b/src/jp/mcbe/fuyutsuki/Texter/Main.php
@@ -250,7 +250,7 @@ private function isPhar(): bool {
 	}
 
 	private function isPackagedByPharynx(): bool {
-		return is_dir($this->getFile() . Dependencies::PHARYNX_LIBRARY_DIR);
+		return is_file($this->getFile() . Dependencies::PACKAGED_POGGIT_FILE);
 	}
 
 	public static function prefix(): string {
diff --git a/src/jp/mcbe/fuyutsuki/Texter/util/dependencies/Dependencies.php b/src/jp/mcbe/fuyutsuki/Texter/util/dependencies/Dependencies.php
index a3fc69b..6eb1895 100644
--- a/src/jp/mcbe/fuyutsuki/Texter/util/dependencies/Dependencies.php
+++ b/src/jp/mcbe/fuyutsuki/Texter/util/dependencies/Dependencies.php
@@ -10,9 +10,7 @@ final class Dependencies {
 
 	use Imconstructable;
 
-	public const PLUGIN_NAMESPACE = "\\jp\\mcbe\\fuyutsuki\\Texter";
-
-	public const PHARYNX_LIBRARY_DIR = "\\libs";
+	public const PACKAGED_POGGIT_FILE = ".poggit";
 	public const PMFORMS = "\\dktapps\\pmforms\\BaseForm";
 
 }
\ No newline at end of file