diff --git a/CMakeLists.txt b/CMakeLists.txt
index 969b38e25..6f24fc143 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -893,6 +893,7 @@ if(NOT VOLKGNSSSDR_FOUND)
     if(DEFINED ENV{OECORE_TARGET_SYSROOT})
         set(VOLK_GNSSSDR_CMAKE_ARGS ${VOLK_GNSSSDR_CMAKE_ARGS}
             -DCROSSCOMPILE_MULTILIB=TRUE
+            -DBOOST_ROOT=$ENV{OECORE_TARGET_SYSROOT}/usr
         )
         if(NOT CMAKE_TOOLCHAIN_FILE)
             set(VOLK_GNSSSDR_CMAKE_ARGS ${VOLK_GNSSSDR_CMAKE_ARGS}