diff --git a/scripts/print_exported_headers.py b/scripts/print_exported_headers.py
index 31f70fb9ba7..f9e9d227b9f 100755
--- a/scripts/print_exported_headers.py
+++ b/scripts/print_exported_headers.py
@@ -14,6 +14,7 @@
 import json
 import os
 import subprocess
+import sys
 from typing import List, Set
 
 # Run buck2 from the same directory (and thus repo) as this script.
@@ -22,7 +23,14 @@
 
 def run(command: List[str]) -> str:
     """Run subprocess and return its output."""
-    result = subprocess.run(command, capture_output=True, check=True, cwd=BUCK_CWD)
+    try:
+        result = subprocess.run(command, capture_output=True, check=True, cwd=BUCK_CWD)
+    except subprocess.CalledProcessError as ex:
+        print(
+            f"Subprocess failed. stdout: {ex.stdout}\nstderr: {ex.stderr}",
+            file=sys.stderr,
+        )
+        raise
     return result.stdout.decode()