1 diff --git a/CMakeLists.txt b/CMakeLists.txt
2 index 119855a..945085a 100644
5 @@ -155,7 +155,7 @@ set(FlatBuffers_GRPCTest_SRCS
6 # source_group(Compiler FILES ${FlatBuffers_Compiler_SRCS})
7 # source_group(Tests FILES ${FlatBuffers_Tests_SRCS})
9 -if(EXISTS "${CMAKE_TOOLCHAIN_FILE}")
10 +if(EXISTS "${CMAKE_TOOLCHAIN_FILE}" AND NOT DEFINED VCPKG_TOOLCHAIN)
11 # do not apply any global settings if the toolchain
12 # is being configured externally
13 message(STATUS "Using toolchain file: ${CMAKE_TOOLCHAIN_FILE}.")