diff --git a/var/spack/repos/builtin/packages/arpack-ng/parpack_cmake.patch b/var/spack/repos/builtin/packages/arpack-ng/parpack_cmake.patch
index 0ba8600046e..9b11bea6ac1 100644
--- a/var/spack/repos/builtin/packages/arpack-ng/parpack_cmake.patch
+++ b/var/spack/repos/builtin/packages/arpack-ng/parpack_cmake.patch
@@ -3,15 +3,16 @@ index 607d221..345b7fc 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
 @@ -113,11 +113,12 @@ set_target_properties(arpack PROPERTIES OUTPUT_NAME arpack${LIBSUFFIX})
-
+ 
  if (MPI)
  #    add_library(parpack SHARED
--    add_library(parpack
+-    add_library(parpack 
 +    add_library(parpack
                          ${parpacksrc_STAT_SRCS}
                          ${parpackutil_STAT_SRCS})
-
+ 
      target_link_libraries(parpack ${MPI_Fortran_LIBRARIES})
 +    target_link_libraries(parpack arpack)
      set_target_properties(parpack PROPERTIES OUTPUT_NAME parpack${LIBSUFFIX})
  endif ()
+