diff --git a/cmake/Toolchains/oe-sdk_cross.cmake b/cmake/Toolchains/oe-sdk_cross.cmake
index 307f07b..d0b79d6 100644
--- a/cmake/Toolchains/oe-sdk_cross.cmake
+++ b/cmake/Toolchains/oe-sdk_cross.cmake
@@ -13,6 +13,7 @@ set( CMAKE_FIND_ROOT_PATH $ENV{OECORE_TARGET_SYSROOT} $ENV{OECORE_NATIVE_SYSROOT
 set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER )
 set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY )
 set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY )
-set ( ORC_INCLUDE_DIRS $ENV{OECORE_TARGET_SYSROOT}/usr/include/orc-0.4 )
-set ( ORC_LIBRARY_DIRS $ENV{OECORE_TARGET_SYSROOT}/usr/lib )
+set( CMAKE_INSTALL_PREFIX $ENV{OECORE_TARGET_SYSROOT}/usr CACHE STRING "" FORCE)
+set( ORC_INCLUDE_DIRS $ENV{OECORE_TARGET_SYSROOT}/usr/include/orc-0.4 )
+set( ORC_LIBRARY_DIRS $ENV{OECORE_TARGET_SYSROOT}/usr/lib )