diff --git a/go/qcow2/BUILD.bazel b/go/qcow2/BUILD.bazel
index 07afa58..c4806eb 100644
--- a/go/qcow2/BUILD.bazel
+++ b/go/qcow2/BUILD.bazel
@@ -3,16 +3,19 @@
 go_library(
     name = "qcow2",
     srcs = ["qcow2.go"],
+    data = [
+        "@qemu//:qemu-img",
+    ],
     importpath = "source.monogon.dev/go/qcow2",
     visibility = ["//visibility:public"],
+    x_defs = {
+        "xQemuImgPath": "$(rlocationpath @qemu//:qemu-img )",
+    },
 )
 
 go_test(
     name = "qcow2_test",
     srcs = ["qcow2_test.go"],
-    data = [
-        "@qemu//:qemu-img",
-    ],
     embed = [":qcow2"],
     deps = ["@io_bazel_rules_go//go/runfiles:go_default_library"],
 )