diff --git a/lib/csdl2markdown.js b/lib/csdl2markdown.js
index 8f7d6f2c..e4be132f 100644
--- a/lib/csdl2markdown.js
+++ b/lib/csdl2markdown.js
@@ -1,5 +1,10 @@
 const { spawnSync } = require("child_process");
 
+if (spawnSync("pandoc", ["-v"]).error) {
+  console.error("pandoc required (https://github.com/jgm/pandoc/releases)");
+  process.exit(1);
+}
+
 /**
  * Converts OData CSDL JSON to Github Flavored Markdown
  *