diff --git a/cmake/RPackageInstallTargetSetup.cmake b/cmake/RPackageInstallTargetSetup.cmake
index 8912a0402..55981bee4 100644
--- a/cmake/RPackageInstallTargetSetup.cmake
+++ b/cmake/RPackageInstallTargetSetup.cmake
@@ -6,11 +6,11 @@ function(setup_rpackage_install_target rlib_target build_dir)
   install(
     DIRECTORY "${xgboost_SOURCE_DIR}/R-package"
     DESTINATION "${build_dir}"
-    REGEX "src/*" EXCLUDE
-    REGEX "R-package/configure" EXCLUDE
+    PATTERN "src/*" EXCLUDE
+    PATTERN "R-package/configure" EXCLUDE
   )
   install(TARGETS ${rlib_target}
     LIBRARY DESTINATION "${build_dir}/R-package/src/"
     RUNTIME DESTINATION "${build_dir}/R-package/src/")
   install(SCRIPT ${PROJECT_BINARY_DIR}/RPackageInstall.cmake)
-endfunction()
\ No newline at end of file
+endfunction()