diff --git a/scikits/image/io/_plugins/freeimage_plugin.py b/scikits/image/io/_plugins/freeimage_plugin.py
index b6ab98a5..aeece9e6 100644
--- a/scikits/image/io/_plugins/freeimage_plugin.py
+++ b/scikits/image/io/_plugins/freeimage_plugin.py
@@ -23,7 +23,7 @@ API = {
                          [ctypes.c_void_p]),
     'FreeImage_GetPitch': (ctypes.c_uint,
                            [ctypes.c_void_p]),
-    'FreeImage_GetBits': (ctypes.c_int,
+    'FreeImage_GetBits': (ctypes.c_void_p,
                           [ctypes.c_void_p]),
     }