--- a/gfx/thebes/gfxPlatform.cpp
+++ b/gfx/thebes/gfxPlatform.cpp
@@ -2583,17 +2583,17 @@ gfxPlatform::InitOMTPConfig()
   if (mContentBackend == BackendType::CAIRO) {
     omtp.ForceDisable(FeatureStatus::Broken, "OMTP is not supported when using cairo",
       NS_LITERAL_CSTRING("FEATURE_FAILURE_COMP_PREF"));
   }
 
   if (InSafeMode()) {
     omtp.ForceDisable(FeatureStatus::Blocked, "OMTP blocked by safe-mode",
                       NS_LITERAL_CSTRING("FEATURE_FAILURE_COMP_SAFEMODE"));
-  } else if (gfxPrefs::TileEdgePaddingEnabled()) {
+  } else if (gfxPrefs::LayersTilesEnabled() && gfxPrefs::TileEdgePaddingEnabled()) {
     omtp.ForceDisable(FeatureStatus::Blocked, "OMTP does not yet support tiling with edge padding",
                       NS_LITERAL_CSTRING("FEATURE_FAILURE_OMTP_TILING"));
   }
 
   if (omtp.IsEnabled()) {
     gfxVars::SetUseOMTP(true);
     reporter.SetSuccessful();
   }