diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 9f6a31557f767e93cd7d27c37bb406ffc8b2f844..5541d8367e88a5505411b0e71e9d8f9b4310d58b 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -486,6 +486,7 @@ if(PKG_MESSAGE)
   file(GLOB_RECURSE cslib_SOURCES ${LAMMPS_LIB_SOURCE_DIR}/message/cslib/*.F
       ${LAMMPS_LIB_SOURCE_DIR}/message/cslib/*.c ${LAMMPS_LIB_SOURCE_DIR}/message/cslib/*.cpp)
   add_library(cslib STATIC ${cslib_SOURCES})
+  set_target_properties(cslib PROPERTIES OUTPUT_NAME "cs")
 
   if(BUILD_MPI)
     target_compile_definitions(cslib PRIVATE -DMPI_YES)