diff --git a/mrv2/CMakeLists.txt b/mrv2/CMakeLists.txt
index a2d6b940b..0912f252f 100644
--- a/mrv2/CMakeLists.txt
+++ b/mrv2/CMakeLists.txt
@@ -195,6 +195,7 @@ set( mrv2_INCLUDE_DIRS
     ${CMAKE_PREFIX_PATH}/include/OpenEXR
     ${CMAKE_PREFIX_PATH}/include/Imath
     ${CMAKE_PREFIX_PATH}/include/opentimelineio/deps
+    ${CMAKE_PREFIX_PATH}/include/boost-1_78
     ${CMAKE_PREFIX_PATH}/include/boost-1_76
     ${CMAKE_PREFIX_PATH}/include/tlRender
     ${CMAKE_PREFIX_PATH}/include