diff --git a/pkgs/tools/typesetting/tex/texlive/luatex-gcc7.patch b/pkgs/tools/typesetting/tex/texlive/luatex-gcc7.patch
index 4535d98de3b..cdaa968bd42 100644
--- a/pkgs/tools/typesetting/tex/texlive/luatex-gcc7.patch
+++ b/pkgs/tools/typesetting/tex/texlive/luatex-gcc7.patch
@@ -4,8 +4,8 @@ https://www.tug.org/pipermail/tex-live/2017-June/040192.html
  texk/web2c/luatexdir/luaffi/ffi.h   |    2 +-
  2 files changed, 5 insertions(+), 1 deletion(-)
 
---- texk/web2c/luatexdir/luaffi/ctype.c
-+++ texk/web2c/luatexdir/luaffi/ctype.c	2017-05-31 13:08:25.421741873 +0000
+--- a/texk/web2c/luatexdir/luaffi/ctype.c
++++ b/texk/web2c/luatexdir/luaffi/ctype.c       2017-05-31 13:08:25.421741873 +0000
 @@ -245,6 +245,10 @@ void* to_cdata(lua_State* L, int idx, st
  
      lua_pop(L, 1); /* mt */
@@ -17,8 +17,8 @@ https://www.tug.org/pipermail/tex-live/2017-June/040192.html
      *ct = cd->type;
      lua_getuservalue(L, idx);
  
---- texk/web2c/luatexdir/luaffi/ffi.h
-+++ texk/web2c/luatexdir/luaffi/ffi.h	2017-06-01 09:12:45.128442092 +0000
+--- a/texk/web2c/luatexdir/luaffi/ffi.h
++++ b/texk/web2c/luatexdir/luaffi/ffi.h 2017-06-01 09:12:45.128442092 +0000
 @@ -370,7 +370,7 @@ __declspec(align(16))
  #endif
  struct cdata {