diff --git a/PIL/ImageFile.py b/PIL/ImageFile.py
index 688c33a1d..3b60c0d05 100644
--- a/PIL/ImageFile.py
+++ b/PIL/ImageFile.py
@@ -226,9 +226,8 @@ class ImageFile(Image.Image):
 
         self.fp = None # might be shared
 
-        if not LOAD_TRUNCATED_IMAGES and not self.map and e < 0:
-            # Note: If loading a truncated image results in an all black Image,
-            # the decoder wasn't able to decode anything.
+        if (t == 0 or not LOAD_TRUNCATED_IMAGES) and not self.map and e < 0:
+            # still raised if decoder fails to return anything
             raise_ioerror(e)
 
         # post processing