diff --git a/tests/docker/Makefile.include b/tests/docker/Makefile.include
index 4f4707dae0..1b20db09e2 100644
--- a/tests/docker/Makefile.include
+++ b/tests/docker/Makefile.include
@@ -116,7 +116,7 @@ docker-run-%: docker-qemu-src
 				-e EXTRA_CONFIGURE_OPTS=$(EXTRA_CONFIGURE_OPTS) \
 				-e V=$V -e J=$J -e DEBUG=$(DEBUG)\
 				-e CCACHE_DIR=/var/tmp/ccache \
-				-v $$(realpath $(DOCKER_SRC_COPY)):/var/tmp/qemu:z$(COMMA)ro \
+				-v $$(readlink -e $(DOCKER_SRC_COPY)):/var/tmp/qemu:z$(COMMA)ro \
 				-v $(DOCKER_CCACHE_DIR):/var/tmp/ccache:z \
 				qemu:$(IMAGE) \
 				/var/tmp/qemu/run \