diff --git a/modules/lang/java/doctor.el b/modules/lang/java/doctor.el
index b57601c22..17bdd50dd 100644
--- a/modules/lang/java/doctor.el
+++ b/modules/lang/java/doctor.el
@@ -7,3 +7,6 @@
 
 (unless (executable-find "javac")
   (warn! "Couldn't find the javac executable, are you sure the JDK is installed?"))
+
+(unless (executable-find "clang-format")
+  (warn! "Couldn't find clang-format. Code formatting will not work."))