diff --git a/externals/dynarmic/CMakeLists.txt b/externals/dynarmic/CMakeLists.txt
index d32c1052e..bb898d373 100644
--- a/externals/dynarmic/CMakeLists.txt
+++ b/externals/dynarmic/CMakeLists.txt
@@ -140,7 +140,9 @@ if (DYNARMIC_USE_BUNDLED_EXTERNALS)
     set(CMAKE_DISABLE_FIND_PACKAGE_Zydis ON)
 endif()
 
-find_package(Boost 1.57 REQUIRED)
+if (NOT TARGET boost_headers)
+    find_package(Boost 1.57 REQUIRED)
+endif()
 find_package(fmt 9 CONFIG)
 find_package(mcl 0.1.12 EXACT CONFIG)
 find_package(tsl-robin-map CONFIG)