diff --git a/bug3525_verbose_output.patch b/bug3525_verbose_output.patch
new file mode 100644
index 0000000..23996b8
--- /dev/null
+++ b/bug3525_verbose_output.patch
@@ -0,0 +1,15 @@
+Index: mapwms.c
+ ===================================================================
+ --- a/mapwms.c    (revision 10869)
+ +++ b/mapwms.c    (working copy)
+ @@ -739,8 +739,8 @@
+             strcasecmp(wms_exception_format, "XML") != 0)
+         {
+             msSetError(MS_WMSERR,
+ -                      "Invalid format for the EXCEPTIONS parameter.",
+ -                      "msWMSLoadGetMapParams()");
+ +                      "Invalid format %s for the EXCEPTIONS parameter.",
+ +                      "msWMSLoadGetMapParams()", wms_exception_format);
+             return msWMSException(map, nVersion, "InvalidFormat", wms_exception_format);
+         }
+     }
diff --git a/mapserver.spec b/mapserver.spec
index abfcc79..d0083b8 100644
--- a/mapserver.spec
+++ b/mapserver.spec
@@ -60,6 +60,7 @@ BuildRequires:  libgcj-devel
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 Patch0:          mapserver-5.4.1_buildchecks.patch
 Patch1:          hidden_layer.patch
+Patch2:          bug3525_verbose_output.patch
 
 #%define python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print get_python_lib(1)")
 %define		_cgibindir /srv/www/cgi-bin
@@ -111,6 +112,7 @@ within the Java programming language.
 %setup -q
 %patch0 -p1
 %patch1 -p1
+%patch2 -p1
 
 # fix spurious perm bits
 chmod -x tests/home.png
@@ -287,6 +289,9 @@ rm -rf %{buildroot}
 %{_javadir}/*.jar
 
 %changelog
+* Mon Jan 24 2011 Stephan Holl <stephan.holl@intevation.de> 5.6.6
+- added bug3525_verbose_output.patch to make EXCEPTIONS-output more
+  verbose
 * Tue Jan 18 2011 Stephan Holl <stephan.holl@intevation.de> 5.6.6
 - udated to new upstream version of mapserver 5.6.6(see·
   http://trac.osgeo.org/mapserver/browser/tags/rel-5-6-6/mapserver/HISTORY.TXT