diff --git a/meta/recipes-core/ovmf/ovmf_git.bb b/meta/recipes-core/ovmf/ovmf_git.bb
index 6bbe21ac5c..3dc031d3b6 100644
--- a/meta/recipes-core/ovmf/ovmf_git.bb
+++ b/meta/recipes-core/ovmf/ovmf_git.bb
@@ -122,7 +122,7 @@ fix_toolchain:append:class-native() {
 # --debug-prefix-map to nasm (we carry a patch to nasm for this). The
 # tools definitions are built by ovmf-native so we need to pass this in
 # at target build time when we know the right values.
-export NASM_PREFIX_MAP = "--debug-prefix-map=${WORKDIR}=/usr/src/debug/ovmf/${EXTENDPE}${PV}-${PR}"
+export NASM_PREFIX_MAP = "--debug-prefix-map=${WORKDIR}=${TARGET_DBGSRC_DIR}"
 export GCC_PREFIX_MAP = "${DEBUG_PREFIX_MAP} -Wno-stringop-overflow -Wno-maybe-uninitialized"
 
 GCC_VER="$(${CC} -v 2>&1 | tail -n1 | awk '{print $3}')"