diff --git a/base b/base
index 4a75e352f..95c5a5b5c 160000
--- a/base
+++ b/base
@@ -1 +1 @@
-Subproject commit 4a75e352f321e0050e16983e7917b15a9eda861a
+Subproject commit 95c5a5b5c09a608a1d0858d6da67e736720e65be
diff --git a/frontend/document/picdocument.lua b/frontend/document/picdocument.lua
index 5b781e07c..a4685abba 100644
--- a/frontend/document/picdocument.lua
+++ b/frontend/document/picdocument.lua
@@ -25,8 +25,10 @@ function PicDocument:getUsedBBox(pageno)
 end
 
 function PicDocument:register(registry)
-    registry:addProvider("jpeg", "application/jpeg", self)
-    registry:addProvider("jpg", "application/jpeg", self)
+    registry:addProvider("jpeg", "image/jpeg", self)
+    registry:addProvider("jpg", "image/jpeg", self)
+    registry:addProvider("png", "image/png", self)
+    registry:addProvider("gif", "image/gif", self)
 end
 
 return PicDocument