diff --git a/cmake/cmake-3.5.2-msys.patch b/cmake/cmake-3.5.2-msys.patch
index e9744156..9f08c2fb 100644
--- a/cmake/cmake-3.5.2-msys.patch
+++ b/cmake/cmake-3.5.2-msys.patch
@@ -386,7 +386,7 @@ diff -aur cmake-3.5.2/Modules/FindBoost.cmake.orig cmake-3.5.2/Modules/FindBoost
  set(Boost_LIB_PREFIX "")
  if ( (GHSMULTI AND Boost_USE_STATIC_LIBS) OR
 -    (WIN32 AND Boost_USE_STATIC_LIBS AND NOT CYGWIN) )
-+    ( WIN32 AND Boost_USE_STATIC_LIBS AND NOT CYGWIN AND NOT MSYS)
++    ( WIN32 AND Boost_USE_STATIC_LIBS AND NOT CYGWIN AND NOT MSYS) )
    set(Boost_LIB_PREFIX "lib")
  endif()