diff --git a/.changeset/thirty-owls-float.md b/.changeset/thirty-owls-float.md
new file mode 100644
index 00000000..bc2ef74e
--- /dev/null
+++ b/.changeset/thirty-owls-float.md
@@ -0,0 +1,7 @@
+---
+'@xyflow/react': patch
+'@xyflow/svelte': patch
+'@xyflow/system': patch
+---
+
+Make arrow heads markers fallback to --xy-edge-stroke CSS variable when passing null as marker color