diff --git a/3rdparty/CMakeLists.txt b/3rdparty/CMakeLists.txt
index ac978a8eac..8a93e5e618 100644
--- a/3rdparty/CMakeLists.txt
+++ b/3rdparty/CMakeLists.txt
@@ -122,11 +122,17 @@ set(CMAKE_INSTALL_PREFIX ${CMAKE_INSTALL_PREFIX_OLD})
 
 
 # xxHash
-set(XXHASH_BUNDLED_MODE ON)
-set(XXHASH_BUILD_XXHSUM OFF)
-set(BUILD_SHARED_LIBS OFF CACHE BOOL "Make xxHash build static libs")
-add_subdirectory(xxHash/cmake_unofficial EXCLUDE_FROM_ALL)
-target_include_directories(xxhash INTERFACE xxHash)
+if (USE_SYSTEM_XXHASH)
+	pkg_check_modules(XXHASH REQUIRED IMPORTED_TARGET libxxhash)
+	add_library(xxhash INTERFACE)
+	target_link_libraries(xxhash INTERFACE PkgConfig::XXHASH)
+else()
+	set(XXHASH_BUNDLED_MODE ON)
+	set(XXHASH_BUILD_XXHSUM OFF)
+	set(BUILD_SHARED_LIBS OFF CACHE BOOL "Make xxHash build static libs")
+	add_subdirectory(xxHash/cmake_unofficial EXCLUDE_FROM_ALL)
+	target_include_directories(xxhash INTERFACE xxHash)
+endif()
 
 
 # cereal