diff --git a/skimage/io/_plugins/util.py b/skimage/io/_plugins/util.py
index 350b43e5..7eb109b7 100644
--- a/skimage/io/_plugins/util.py
+++ b/skimage/io/_plugins/util.py
@@ -9,7 +9,7 @@ from skimage.util import img_as_ubyte
 try:
     import multiprocessing
     CPU_COUNT = multiprocessing.cpu_count()
-except ImportError:
+except:
     CPU_COUNT = 2
 
 class GuiLockError(Exception):