diff --git a/modules/lang/ledger/doctor.el b/modules/lang/ledger/doctor.el
new file mode 100644
index 000000000..328e2d4ce
--- /dev/null
+++ b/modules/lang/ledger/doctor.el
@@ -0,0 +1,4 @@
+;;; lang/ledger/doctor.el -*- lexical-binding: t; -*-
+
+(unless (executable-find "ledger")
+  (warn! "ledger isn't installed"))