diff --git a/cmake/par2-turbo.cmake b/cmake/par2-turbo.cmake
index fef1d1c9..40c2e31c 100644
--- a/cmake/par2-turbo.cmake
+++ b/cmake/par2-turbo.cmake
@@ -15,6 +15,7 @@ ExternalProject_add(
 				-DCMAKE_SYSTEM_PROCESSOR=${CMAKE_SYSTEM_PROCESSOR}
 				-DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES}
 				-DCMAKE_SYSTEM_NAME=${CMAKE_SYSTEM_NAME}
+				-DCMAKE_SYSROOT=${CMAKE_SYSROOT}
 	INSTALL_COMMAND ""
 )