diff --git a/browser/branding/shared/pref/uaoverrides.inc b/browser/branding/shared/pref/uaoverrides.inc
index 450e50ce33..f46f2178e0 100644
--- a/browser/branding/shared/pref/uaoverrides.inc
+++ b/browser/branding/shared/pref/uaoverrides.inc
@@ -60,6 +60,7 @@ pref("@GUAO_PREF@.soundcloud.com","Mozilla/5.0 (@OS_SLICE@ rv:@GRE_VERSION@) @GR
 // The following requires native mode. Or it blocks.. "too old firefox"
 pref("@GUAO_PREF@.citi.com","Mozilla/5.0 (@OS_SLICE@ rv:@GRE_VERSION@) @GRE_DATE_SLICE@ @PM_SLICE@");
 pref("@GUAO_PREF@.deviantart.com","Mozilla/5.0 (@OS_SLICE@ rv:@GRE_VERSION@) @GRE_DATE_SLICE@ @PM_SLICE@");
+pref("@GUAO_PREF@.deviantart.net","Mozilla/5.0 (@OS_SLICE@ rv:@GRE_VERSION@) @GRE_DATE_SLICE@ @PM_SLICE@");
 
 // UA-Sniffing domains below have indicated no interest in supporting Pale Moon (BOO!)
 pref("@GUAO_PREF@.humblebundle.com","Mozilla/5.0 (@OS_SLICE@ rv:@GK_VERSION@) @GK_SLICE@ @FX_SLICE@ (Pale Moon)");