diff --git a/0001-don-t-copy-stylesheet-s-HelpID-if-this-s-a-rename.patch b/0001-don-t-copy-stylesheet-s-HelpID-if-this-s-a-rename.patch
new file mode 100644
index 0000000..631ac91
--- /dev/null
+++ b/0001-don-t-copy-stylesheet-s-HelpID-if-this-s-a-rename.patch
@@ -0,0 +1,33 @@
+From e4cf5d1a98469c17133f33fc8220e6b41f65e9a0 Mon Sep 17 00:00:00 2001
+From: David Tardon <dtardon@redhat.com>
+Date: Mon, 8 Dec 2014 18:06:01 +0100
+Subject: [PATCH] don't copy stylesheet's HelpID if this's a rename
+
+This causes problems for renamed copies of std. styles, as they have
+special handling in SdStyleSheet::SetHelpId, which would set the API
+name to std. value too. That means that there would be two (or more)
+stylesheets with the same API name. On export, only one of them would be
+exported.
+
+Change-Id: I19d243bd3f73995e8de2d251e3d8b7f93219c3a9
+---
+ sd/source/core/stlpool.cxx | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/sd/source/core/stlpool.cxx b/sd/source/core/stlpool.cxx
+index 095054e..94f8f96 100644
+--- a/sd/source/core/stlpool.cxx
++++ b/sd/source/core/stlpool.cxx
+@@ -699,7 +699,8 @@ void SdStyleSheetPool::CopySheets(SdStyleSheetPool& rSourcePool, SfxStyleFamily
+             if( !aParent.isEmpty() )
+                 aNewStyles.push_back( std::pair< rtl::Reference< SfxStyleSheetBase >, OUString >( xNewSheet, aParent ) );
+ 
+-            xNewSheet->SetHelpId( aHelpFile, xSheet->GetHelpId( aHelpFile ) );
++            if( !bAddToList )
++                xNewSheet->SetHelpId( aHelpFile, xSheet->GetHelpId( aHelpFile ) );
+             xNewSheet->GetItemSet().Put( xSheet->GetItemSet() );
+ 
+             rCreatedSheets.push_back( SdStyleSheetRef( static_cast< SdStyleSheet* >( xNewSheet.get() ) ) );
+-- 
+2.1.0
+
diff --git a/libreoffice.spec b/libreoffice.spec
index cede3d2..5f64ae3 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -324,6 +324,7 @@ Patch16: 0001-disable-PSD-import-test-which-deadlocks-on-ARM.patch
 Patch17: 0001-Resolves-fdo-37559-revert-adding-extra-dummy-polygon.patch
 Patch18: 0001-Revert-No-need-to-have-OpenCL-optional-at-configure-.patch
 Patch19: 0001-Don-t-treat-clew-as-part-of-an-external-clcc-module.patch
+Patch20: 0001-don-t-copy-stylesheet-s-HelpID-if-this-s-a-rename.patch
 
 %define instdir %{_libdir}
 %define baseinstdir %{instdir}/libreoffice