diff --git a/mingw-w64-arpack/0002-cmake-set-SUFFIX64.patch b/mingw-w64-arpack/0002-cmake-set-SUFFIX64.patch
index d46d934531..2503960eda 100644
--- a/mingw-w64-arpack/0002-cmake-set-SUFFIX64.patch
+++ b/mingw-w64-arpack/0002-cmake-set-SUFFIX64.patch
@@ -1,17 +1,26 @@
 diff -urN arpack-ng-3.8.0_orig/CMakeLists.txt arpack-ng-3.8.0/CMakeLists.txt
 --- arpack-ng-3.8.0_orig/CMakeLists.txt	2020-12-07 11:40:45.000000000 +0100
-+++ arpack-ng-3.8.0/CMakeLists.txt	2021-12-09 09:55:07.736791800 +0100
-@@ -709,6 +709,9 @@
- configure_file(PARPACK/SRC/MPI/parpack.pc.in "${PROJECT_BINARY_DIR}/PARPACK/SRC/MPI/parpack${LIBSUFFIX}.pc" @ONLY)
- configure_file(EXAMPLES/MATRIX_MARKET/arpackSolver.pc.in "${PROJECT_BINARY_DIR}/EXAMPLES/MATRIX_MARKET/arpackSolver.pc" @ONLY)
++++ arpack-ng-3.8.0/CMakeLists.txt	2022-01-26 13:38:30.619004400 +0100
+@@ -678,6 +678,10 @@
+ # 'make install' to the correct location
+ include(GNUInstallDirs)
  
 +if (INTERFACE64)
 +  set(SUFFIX64 64)
 +endif()
++
+ # Convert variable names to those expected by the .pc file.
+ set(prefix ${CMAKE_INSTALL_PREFIX})
+ set(exec_prefix \${prefix})
+@@ -709,7 +713,6 @@
+ configure_file(PARPACK/SRC/MPI/parpack.pc.in "${PROJECT_BINARY_DIR}/PARPACK/SRC/MPI/parpack${LIBSUFFIX}.pc" @ONLY)
+ configure_file(EXAMPLES/MATRIX_MARKET/arpackSolver.pc.in "${PROJECT_BINARY_DIR}/EXAMPLES/MATRIX_MARKET/arpackSolver.pc" @ONLY)
  
+-
  install(TARGETS arpack
      ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-@@ -727,41 +731,41 @@
+     LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+@@ -727,41 +730,41 @@
  endif ()
  
  if(ICB)
@@ -68,3 +77,24 @@ diff -urN arpack-ng-3.8.0_orig/CMakeLists.txt arpack-ng-3.8.0/CMakeLists.txt
  
  # Packaging: ease arpack-ng distribution (precompiled binaries and sources tarballs).
  set(CPACK_VERSION_MAJOR "${arpack_ng_MAJOR_VERSION}")
+diff -urN arpack-ng-3.8.0_orig/SRC/arpack.pc.in arpack-ng-3.8.0/SRC/arpack.pc.in
+--- arpack-ng-3.8.0_orig/SRC/arpack.pc.in	2020-12-07 11:40:45.000000000 +0100
++++ arpack-ng-3.8.0/SRC/arpack.pc.in	2022-01-26 13:30:20.592994600 +0100
+@@ -9,4 +9,4 @@
+ URL: @PACKAGE_URL@
+ Libs: -L${libdir} -larpack@LIBSUFFIX@
+ Libs.private: @ARPACK_PC_LIBS_PRIVATE@
+-Cflags: -I${includedir}/arpack
++Cflags: -I${includedir}/arpack@SUFFIX64@
+diff -urN arpack-ng-3.8.0_orig/arpack-ng-config.cmake.in arpack-ng-3.8.0/arpack-ng-config.cmake.in
+--- arpack-ng-3.8.0_orig/arpack-ng-config.cmake.in	2020-12-07 11:40:45.000000000 +0100
++++ arpack-ng-3.8.0/arpack-ng-config.cmake.in	2022-01-24 09:38:46.168679800 +0100
+@@ -19,7 +19,7 @@
+ 
+ # Create arpack targets.
+ add_library(ARPACK::ARPACK INTERFACE IMPORTED)
+-set_target_properties(ARPACK::ARPACK PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${includedir}/arpack")
++set_target_properties(ARPACK::ARPACK PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${includedir}/arpack${SUFFIX64}")
+ set_target_properties(ARPACK::ARPACK PROPERTIES INTERFACE_LINK_LIBRARIES      "arpack")
+ add_library(PARPACK::PARPACK INTERFACE IMPORTED)
+ set_target_properties(PARPACK::PARPACK PROPERTIES INTERFACE_LINK_LIBRARIES    "parpack")