diff --git a/src/runtime/Makefile b/src/runtime/Makefile
index db4ca2b0f0..c15fb146e5 100644
--- a/src/runtime/Makefile
+++ b/src/runtime/Makefile
@@ -120,6 +120,7 @@ PKGLIBEXECDIR := $(LIBEXECDIR)/$(PROJECT_DIR)
 KERNELDIR := $(PKGDATADIR)
 
 IMAGEPATH := $(PKGDATADIR)/$(IMAGENAME)
+IMAGETDXPATH := $(PKGDATADIR)/$(IMAGETDXNAME)
 INITRDPATH := $(PKGDATADIR)/$(INITRDNAME)
 INITRDSEVPATH := $(PKGDATADIR)/$(INITRDSEVNAME)