diff --git a/fix_boost_169.patch b/fix_boost_169.patch
index 2a2ed97..15df6f8 100644
--- a/fix_boost_169.patch
+++ b/fix_boost_169.patch
@@ -1,19 +1,19 @@
-Index: src/support/FileName.cpp
-===================================================================
---- src/support/FileName.cpp	(revision 75bfed55079cab6b73fbea6ce4ae3f10d1af3b91)
-+++ src/support/FileName.cpp	(revision 3a123b90af838b08680471d87170c38e56787df9)
-@@ -67,13 +67,4 @@
- using namespace std;
- using namespace lyx::support;
-
--// OK, this is ugly, but it is the only workaround I found to compile
--// with gcc (any version) on a system which uses a non-GNU toolchain.
--// The problem is that gcc uses a weak symbol for a particular
--// instantiation and that the system linker usually does not
--// understand those weak symbols (seen on HP-UX, tru64, AIX and
--// others). Thus we force an explicit instanciation of this particular
--// template (JMarc)
--template struct boost::detail::crc_table_t<32, 0x04C11DB7, true>;
--
- namespace lyx {
- namespace support { 
+diff -ur a/src/support/FileName.cpp b/src/support/FileName.cpp
+--- a/src/support/FileName.cpp	2018-12-09 21:04:52.000000000 +0100
++++ b/src/support/FileName.cpp	2019-03-15 14:56:04.220000000 +0100
+@@ -67,15 +67,6 @@
+ using namespace std;
+ using namespace lyx::support;
+ 
+-// OK, this is ugly, but it is the only workaround I found to compile
+-// with gcc (any version) on a system which uses a non-GNU toolchain.
+-// The problem is that gcc uses a weak symbol for a particular
+-// instantiation and that the system linker usually does not
+-// understand those weak symbols (seen on HP-UX, tru64, AIX and
+-// others). Thus we force an explicit instanciation of this particular
+-// template (JMarc)
+-template struct boost::detail::crc_table_t<32, 0x04C11DB7, true>;
+-
+ namespace lyx {
+ namespace support {
+ 
diff --git a/lyx.spec b/lyx.spec
index de50d10..652eb8b 100644
--- a/lyx.spec
+++ b/lyx.spec
@@ -121,7 +121,7 @@ document under "Help" on the menubar.
 %prep
 %setup -q
 %patch0 -p1
-%patch1 -p0
+%patch1 -p1
 
 %build
 #./autogen.sh