diff --git a/Classes/Service/MailTemplateService.php b/Classes/Service/MailTemplateService.php
index 7842bd250af2f0fa344b9ce694e0ffac923a6641..0095561832a08121f26b2d9e06ae026d1af23507 100644
--- a/Classes/Service/MailTemplateService.php
+++ b/Classes/Service/MailTemplateService.php
@@ -296,28 +296,38 @@ class MailTemplateService {
 			$this->loadTemplateValues($template);
 		}
 
-		$defaultTemplateContent = NULL;
+		// get default template content from register array
+		$defaultTemplateContent = $registerService->getRegisterArray(
+		)[$this->extensionKey][$this->templateName]['templateContent'];
+//		var_dump($registerService->getRegisterArray()[$this->extensionKey][$this->templateName]); die();
+//		var_dump($defaultTemplateContent); die();
 		// If there is no template for this language, use the default template
 		if ($template === NULL) {
-			$templatePath = $registerService->getRegisterArray()[$this->extensionKey][$this->templateName]['templatePath'];
-
-			// only standard template file is considered since version 4.1
-			$defaultTemplateFile = $templatePath . 'template.html';
-			if (file_exists($defaultTemplateFile)) {
-				$defaultTemplateContent = file_get_contents($defaultTemplateFile);
-			} else {
-				// use configured default html template
-				/** @var TypoScriptSettingsService $typoScriptSettingsService */
-				$typoScriptSettingsService = $this->objectManager->get(TypoScriptSettingsService::class);
-				$tsSettings = $typoScriptSettingsService->getSettings(0, 'tx_sgmail');
-				$defaultTemplateFile = GeneralUtility::getFileAbsFileName($tsSettings['mail']['defaultHtmlTemplate']);
+			if ($defaultTemplateContent === NULL) {
+				$templatePath = $registerService->getRegisterArray(
+				)[$this->extensionKey][$this->templateName]['templatePath'];
 
+				// only standard template file is considered since version 4.1
+				$defaultTemplateFile = $templatePath . 'template.html';
 				if (file_exists($defaultTemplateFile)) {
 					$defaultTemplateContent = file_get_contents($defaultTemplateFile);
 				} else {
-					return FALSE;
+					// use configured default html template
+					/** @var TypoScriptSettingsService $typoScriptSettingsService */
+					$typoScriptSettingsService = $this->objectManager->get(TypoScriptSettingsService::class);
+					$tsSettings = $typoScriptSettingsService->getSettings(0, 'tx_sgmail');
+					$defaultTemplateFile = GeneralUtility::getFileAbsFileName(
+						$tsSettings['mail']['defaultHtmlTemplate']
+					);
+
+					if (file_exists($defaultTemplateFile)) {
+						$defaultTemplateContent = file_get_contents($defaultTemplateFile);
+					} else {
+						return FALSE;
+					}
 				}
 			}
+
 		} elseif (filter_var($template->getToAddress(), FILTER_VALIDATE_EMAIL)) {
 			$this->setToAddresses(trim($template->getToAddress()));
 		}
diff --git a/Classes/Service/RegisterService.php b/Classes/Service/RegisterService.php
index cdc2a6f53e30ea5377e83d6e7c45d076490b5247..d7dd8728aec9833a931c6920f52df124ba1b4eee 100644
--- a/Classes/Service/RegisterService.php
+++ b/Classes/Service/RegisterService.php
@@ -84,7 +84,6 @@ class RegisterService implements \TYPO3\CMS\Core\SingletonInterface {
 	private function registerExtensions(): array {
 		$this->registerArray = [];
 
-
 		$extensionConfiguration = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['sg_mail'], []);
 
 		// @TODO remove in version 5.0.0
@@ -195,6 +194,7 @@ class RegisterService implements \TYPO3\CMS\Core\SingletonInterface {
 		$description = $configArray['description'];
 		$subject = $configArray['subject'];
 		$marker = $configArray['markers'];
+		$templateContent = $configArray['templateContent'];
 
 		$this->registerArray[$extensionKey][$templateKey] = [
 			'templatePath' => $templatePath,
@@ -202,7 +202,8 @@ class RegisterService implements \TYPO3\CMS\Core\SingletonInterface {
 			'marker' => $marker,
 			'extension' => $extensionKey,
 			'templateName' => $templateKey,
-			'subject' => $subject
+			'subject' => $subject,
+			'templateContent' => $templateContent
 		];
 	}