diff --git a/scripts/toolchains/linux.cmake b/scripts/toolchains/linux.cmake
index 2413fd301cfc78..fe94aacbf0e946 100644
--- a/scripts/toolchains/linux.cmake
+++ b/scripts/toolchains/linux.cmake
@@ -73,6 +73,9 @@ if(NOT _VCPKG_LINUX_TOOLCHAIN)
             if(NOT DEFINED CMAKE_RANLIB)
                 set(CMAKE_RANLIB "${GNU_TRIPLET}-ranlib")
             endif()
+            if(NOT DEFINED ENV{PKG_CONFIG_PATH})
+                set(ENV{PKG_CONFIG_PATH} /usr/lib/${GNU_TRIPLET}/pkgconfig)
+            endif()
         endif()
         message(STATUS "Cross-compiling for target ${VCPKG_TARGET_ARCHITECTURE} (${CMAKE_SYSTEM_PROCESSOR}) on host ${VCPKG_HOST_ARCHITECTURE} (${CMAKE_HOST_SYSTEM_PROCESSOR}).")
     endif()