diff --git a/modules/GpgWin.php b/modules/GpgWin.php
index 58afee8..4396c69 100644
--- a/modules/GpgWin.php
+++ b/modules/GpgWin.php
@@ -5,7 +5,7 @@ class GpgWin extends PatchBase {
 		parent::__construct('Gpg4win Initiative', 'GNU Privacy Guard for Windows', 'https://www.gpg4win.de/');
 	}
 	function check() : bool {
-		if ($this->fetch('https://www.gpg4win.de/get-gpg4win-de.html'))
+		if ($this->fetch('https://www.gpg4win.de/get-gpg4win.html'))
 			return $this->parse('/<h2>Download Gpg4win ([\d\.]+) \(/');
 		return false;
 	}
diff --git a/modules/MozillaFirefox.php b/modules/MozillaFirefox.php
index e9b0b1f..cb31a35 100644
--- a/modules/MozillaFirefox.php
+++ b/modules/MozillaFirefox.php
@@ -5,7 +5,7 @@ class MozillaFirefox extends PatchBase {
 		parent::__construct('Mozilla', 'Firefox', 'https://www.mozilla.org/en-US/firefox/all/');
 	}
 	function check() : bool {
-		if ($this->fetch('https://www.mozilla.org/de/firefox/all/'))
+		if ($this->fetch('https://www.mozilla.org/en-US/firefox/all/'))
 			return $this->parse('/data-latest-firefox="([\d\.]+)"/');
 		return false;
 	}
diff --git a/modules/MozillaFirefoxESR.php b/modules/MozillaFirefoxESR.php
index b25b00c..3f19aa9 100644
--- a/modules/MozillaFirefoxESR.php
+++ b/modules/MozillaFirefoxESR.php
@@ -5,7 +5,7 @@ class MozillaFirefoxESR extends PatchBase {
 		parent::__construct('Mozilla', 'Firefox ESR', 'https://www.mozilla.org/en-US/firefox/organizations/all/');
 	}
 	function check() : bool {
-		if ($this->fetch('https://www.mozilla.org/de/firefox/organizations/all/'))
+		if ($this->fetch('https://www.mozilla.org/en-US/firefox/organizations/all/'))
 			return $this->parse('/data-esr-versions="([\d\.]+)[ "]/');
 		return false;
 	}
diff --git a/modules/MozillaThunderbird.php b/modules/MozillaThunderbird.php
index c2f9484..4519ed8 100644
--- a/modules/MozillaThunderbird.php
+++ b/modules/MozillaThunderbird.php
@@ -5,7 +5,7 @@ class MozillaThunderbird extends PatchBase {
 		parent::__construct('Mozilla', 'Thunderbird', 'https://www.thunderbird.net/en-US/thunderbird/all/');
 	}
 	function check() : bool {
-		if ($this->fetch('https://www.thunderbird.net/de/thunderbird/all/'))
+		if ($this->fetch('https://www.thunderbird.net/en-US/thunderbird/all/'))
 			return $this->parse('_//download\.mozilla\.org/\?product=thunderbird-([\d\.]+)(-SSL)?&(amp;)?os=win&(amp;)?lang=en-US_');
 		return false;
 	}
diff --git a/modules/UBlock.php b/modules/UBlock.php
index 536b7d4..04bb21e 100644
--- a/modules/UBlock.php
+++ b/modules/UBlock.php
@@ -5,7 +5,7 @@ class UBlock extends PatchBase {
 		parent::__construct('Raymond Hill', 'uBlock Origin', 'https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/');
 	}
 	function check() : bool {
-		if ($this->fetch('https://addons.mozilla.org/de/firefox/addon/ublock-origin/'))
+		if ($this->fetch('https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/'))
 			return $this->parse('/"version":"([\d\.]+)"/');
 		return false;
 	}