diff --git a/pyopencl/__init__.py b/pyopencl/__init__.py
index 2f95679b3e346d502c848a9c8e45b43aabf0c61f..00cdaa2a23333f534731868ba34107a423a19e6e 100644
--- a/pyopencl/__init__.py
+++ b/pyopencl/__init__.py
@@ -1264,9 +1264,7 @@ def _add_functionality():
                         val.code(), "<unknown error %d>")
             routine = val.routine()
             if routine:
-                result = "%s failed: %s" % (
-                    routine.lower().replace("_", " "),
-                    result)
+                result = "%s failed: %s" % (routine, result)
             what = val.what()
             if what:
                 if result: