diff --git a/src/PIL/CurImagePlugin.py b/src/PIL/CurImagePlugin.py
index 5d2ac7253..7797e7761 100644
--- a/src/PIL/CurImagePlugin.py
+++ b/src/PIL/CurImagePlugin.py
@@ -177,7 +177,10 @@ class CurImageFile(IcoImagePlugin.IcoImageFile):
         self.ico = CurFile(self.fp)
         self.info["sizes"] = self.ico.sizes()
         self.info["hotspots"] = self.ico.hotspots()
-        self.size = self.ico.entry[0]["dim"]
+        if len(self.ico.entry) > 0:
+            self.size = self.ico.entry[0]["dim"]
+        else:
+            raise TypeError("No cursors were found")
         self.load()