diff --git a/src/tools/moc/preprocessor.cpp b/src/tools/moc/preprocessor.cpp
index 087b064c0f..c5d6b58412 100644
--- a/src/tools/moc/preprocessor.cpp
+++ b/src/tools/moc/preprocessor.cpp
@@ -1,7 +1,7 @@
 /****************************************************************************
 **
 ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
-** Copyright (C) 2013 Olivier Goffart <ogoffart@woboq.org>
+** Copyright (C) 2014 Olivier Goffart <ogoffart@woboq.org>
 ** Contact: http://www.qt-project.org/legal
 **
 ** This file is part of the tools applications of the Qt Toolkit.
@@ -1094,10 +1094,6 @@ void Preprocessor::preprocess(const QByteArray &filename, Symbols &preprocessed)
                     macro.symbols.last().token == PP_HASHHASH) {
                     error("'##' cannot appear at either end of a macro expansion");
                 }
-                if (macro.symbols.last().token == HASH ||
-                    macro.symbols.last().token == PP_HASH) {
-                    error("'#' is not followed by a macro parameter");
-                }
             }
             macros.insert(name, macro);
             continue;
diff --git a/tests/auto/tools/moc/parse-defines.h b/tests/auto/tools/moc/parse-defines.h
index c9b5d13b1f..9a00955846 100644
--- a/tests/auto/tools/moc/parse-defines.h
+++ b/tests/auto/tools/moc/parse-defines.h
@@ -77,6 +77,8 @@
 #define DEFINE_CMDLINE_SIGNAL void cmdlineSignal(const QMap<int, int> &i)
 #endif
 
+#define HASH_SIGN #
+
 PD_BEGIN_NAMESPACE
 
 class DEFINE_CMDLINE_EMPTY PD_CLASSNAME DEFINE_CMDLINE_EMPTY