diff --git a/com.woltlab.wcf/option.xml b/com.woltlab.wcf/option.xml
index 28ce1007115..8bad41e5504 100644
--- a/com.woltlab.wcf/option.xml
+++ b/com.woltlab.wcf/option.xml
@@ -1014,6 +1014,17 @@ no:!cache_source_memcached_host]]></enableoptions>
 			<!-- /user.3rdPartyAuth -->
 			
 			<!-- user.avatar -->
+			<option name="gravatar_default_type">
+				<categoryname>user.avatar</categoryname>
+				<optiontype>select</optiontype>
+				<defaultvalue><![CDATA[404]]></defaultvalue>
+				<selectoptions><![CDATA[404:wcf.acp.option.gravatar_default_type.404
+identicon:wcf.acp.option.gravatar_default_type.identicon
+wavatar:wcf.acp.option.gravatar_default_type.wavatar
+monsterid:wcf.acp.option.gravatar_default_type.monsterid
+retro:wcf.acp.option.gravatar_default_type.retro]]></selectoptions>
+				<options>module_gravatar</options>
+			</option>
 			<option name="max_avatar_width">
 				<categoryname>user.avatar</categoryname>
 				<optiontype>integer</optiontype>
diff --git a/com.woltlab.wcf/templates/avatarEdit.tpl b/com.woltlab.wcf/templates/avatarEdit.tpl
index 7a76a46725f..606ee6fe2f9 100644
--- a/com.woltlab.wcf/templates/avatarEdit.tpl
+++ b/com.woltlab.wcf/templates/avatarEdit.tpl
@@ -86,7 +86,7 @@
 			
 			{if MODULE_GRAVATAR}
 				<dl{if $errorField == 'gravatar'} class="formError"{/if}>
-					<dt class="framed"><img src="https://secure.gravatar.com/avatar/{@$__wcf->user->email|strtolower|md5}?s=96" alt="" class="icon96" /></dt>
+					<dt class="framed"><img src="https://secure.gravatar.com/avatar/{@$__wcf->user->email|strtolower|md5}?s=96{if GRAVATAR_DEFAULT_TYPE != '404'}&amp;d={@GRAVATAR_DEFAULT_TYPE}{/if}" alt="" class="icon96" /></dt>
 					<dd>
 						<label><input type="radio" name="avatarType" value="gravatar" {if $avatarType == 'gravatar'}checked="checked" {/if}/> {lang}wcf.user.avatar.type.gravatar{/lang}</label>
 						{if $errorField == 'gravatar'}
diff --git a/wcfsetup/install/files/acp/templates/userAdd.tpl b/wcfsetup/install/files/acp/templates/userAdd.tpl
index b8ced13f214..dfc319a6382 100644
--- a/wcfsetup/install/files/acp/templates/userAdd.tpl
+++ b/wcfsetup/install/files/acp/templates/userAdd.tpl
@@ -347,7 +347,7 @@
 					
 					{if MODULE_GRAVATAR}
 						<dl{if $errorType[gravatar]|isset} class="formError"{/if}>
-							<dt class="framed"><img src="https://secure.gravatar.com/avatar/{@$user->email|strtolower|md5}?s=96" alt="" class="icon96" /></dt>
+							<dt class="framed"><img src="https://secure.gravatar.com/avatar/{@$user->email|strtolower|md5}?s=96{if GRAVATAR_DEFAULT_TYPE != '404'}&amp;d={@GRAVATAR_DEFAULT_TYPE}{/if}" alt="" class="icon96" /></dt>
 							<dd>
 								<label><input type="radio" name="avatarType" value="gravatar" {if $avatarType == 'gravatar'}checked="checked" {/if}/> {lang}wcf.user.avatar.type.gravatar{/lang}</label>
 								
diff --git a/wcfsetup/install/files/lib/action/GravatarDownloadAction.class.php b/wcfsetup/install/files/lib/action/GravatarDownloadAction.class.php
index ef6883b31be..e5dd1700f29 100644
--- a/wcfsetup/install/files/lib/action/GravatarDownloadAction.class.php
+++ b/wcfsetup/install/files/lib/action/GravatarDownloadAction.class.php
@@ -67,7 +67,7 @@ public function execute() {
 			}
 			
 			// try to download new version
-			$gravatarURL = sprintf(Gravatar::GRAVATAR_BASE, md5(mb_strtolower($this->user->email)), $this->size, '404');
+			$gravatarURL = sprintf(Gravatar::GRAVATAR_BASE, md5(mb_strtolower($this->user->email)), $this->size, GRAVATAR_DEFAULT_TYPE);
 			try {
 				$tmpFile = FileUtil::downloadFileFromHttp($gravatarURL, 'gravatar');
 				copy($tmpFile, WCF_DIR.$cachedFilename);
diff --git a/wcfsetup/install/files/lib/data/user/avatar/Gravatar.class.php b/wcfsetup/install/files/lib/data/user/avatar/Gravatar.class.php
index 7de3a611726..5c4d5badafa 100644
--- a/wcfsetup/install/files/lib/data/user/avatar/Gravatar.class.php
+++ b/wcfsetup/install/files/lib/data/user/avatar/Gravatar.class.php
@@ -93,7 +93,7 @@ public function getURL($size = null) {
 	 * @return	boolean
 	 */
 	public static function test($email) {
-		$gravatarURL = sprintf(self::GRAVATAR_BASE, md5(mb_strtolower($email)), 80, '404');
+		$gravatarURL = sprintf(self::GRAVATAR_BASE, md5(mb_strtolower($email)), 80, GRAVATAR_DEFAULT_TYPE);
 		try {
 			$tmpFile = FileUtil::downloadFileFromHttp($gravatarURL, 'gravatar');
 			@unlink($tmpFile);
diff --git a/wcfsetup/install/lang/de.xml b/wcfsetup/install/lang/de.xml
index 279a0bbbd40..6d9210ce40f 100644
--- a/wcfsetup/install/lang/de.xml
+++ b/wcfsetup/install/lang/de.xml
@@ -1008,6 +1008,13 @@ GmbH=Gesellschaft mit beschränkter Haftung]]></item>
 		<item name="wcf.acp.option.user_authentication_failure_user_captcha.description"><![CDATA[TODO]]></item>
 		<item name="wcf.acp.option.user_authentication_failure_expiration"><![CDATA[Löschung von alten Protokolleinträgen]]></item>
 		<item name="wcf.acp.option.user_authentication_failure_expiration.description"><![CDATA[TODO]]></item>
+		<item name="wcf.acp.option.gravatar_default_type"><![CDATA[Standard Gravatar-Typ]]></item>
+		<item name="wcf.acp.option.gravatar_default_type.description"><![CDATA[Der <a class="externalURL" href="{@$__wcf->getPath()}acp/dereferrer.php?url=https://de.gravatar.com/site/implement/images/#default-image">Standard-Gravatar-Typ</a>, wenn einer E-Mail kein Gravatar zugeordnet werden kann.]]></item>
+  		<item name="wcf.acp.option.gravatar_default_type.404"><![CDATA[Kein Standard-Gravatar]]></item>
+		<item name="wcf.acp.option.gravatar_default_type.identicon"><![CDATA[Identicon]]></item>
+		<item name="wcf.acp.option.gravatar_default_type.wavatar"><![CDATA[Wavatar]]></item>
+		<item name="wcf.acp.option.gravatar_default_type.monsterid"><![CDATA[Monster-ID]]></item>
+		<item name="wcf.acp.option.gravatar_default_type.retro"><![CDATA[Retro]]></item>
 	</category>
 	
 	<category name="wcf.acp.package">
diff --git a/wcfsetup/install/lang/en.xml b/wcfsetup/install/lang/en.xml
index 83b06e1859b..83ccb68afe3 100644
--- a/wcfsetup/install/lang/en.xml
+++ b/wcfsetup/install/lang/en.xml
@@ -1008,6 +1008,13 @@ GmbH=Gesellschaft mit beschränkter Haftung]]></item>
 		<item name="wcf.acp.option.user_authentication_failure_user_captcha.description"><![CDATA[TODO]]></item>
 		<item name="wcf.acp.option.user_authentication_failure_expiration"><![CDATA[TODO: Löschung von alten Protokolleinträgen]]></item>
 		<item name="wcf.acp.option.user_authentication_failure_expiration.description"><![CDATA[TODO]]></item>
+		<item name="wcf.acp.option.gravatar_default_type"><![CDATA[Default Gravatar Type]]></item>
+		<item name="wcf.acp.option.gravatar_default_type.description"><![CDATA[The <a class="externalURL" href="{@$__wcf->getPath()}acp/dereferrer.php?url=https://de.gravatar.com/site/implement/images/#default-image">default Gravatar type</a> used if no matching Gravatar was found.]]></item>
+  		<item name="wcf.acp.option.gravatar_default_type.404"><![CDATA[No default Gravatar]]></item>
+		<item name="wcf.acp.option.gravatar_default_type.identicon"><![CDATA[Identicon]]></item>
+		<item name="wcf.acp.option.gravatar_default_type.wavatar"><![CDATA[Wavatar]]></item>
+		<item name="wcf.acp.option.gravatar_default_type.monsterid"><![CDATA[Monster id]]></item>
+		<item name="wcf.acp.option.gravatar_default_type.retro"><![CDATA[Retro]]></item>
 	</category>
 	
 	<category name="wcf.acp.package">