diff --git a/crates/dreamchecker/src/lib.rs b/crates/dreamchecker/src/lib.rs
index 681d071d..045e8cc3 100644
--- a/crates/dreamchecker/src/lib.rs
+++ b/crates/dreamchecker/src/lib.rs
@@ -3242,6 +3242,20 @@ impl<'o, 's> AnalyzeProc<'o, 's> {
             }
         }
 
+        if proc.is_builtin()
+            && args.is_empty()
+            && proc.name() == "Find"
+            && matches!(proc.ty().path.as_str(), "/list" | "/alist")
+        {
+            error(
+                location,
+                "list.Find() with no arguments searches for null, write Find(null) if that is intended",
+            )
+            .set_severity(Severity::Warning)
+            .with_errortype("empty_find")
+            .register(self.context);
+        }
+
         // filter call checking
         // TODO: some filters have limits for their numerical params
         //  eg "rays" type "threshold" param defaults to 0.5, can be 0 to 1
diff --git a/crates/dreamchecker/tests/proc_tests.rs b/crates/dreamchecker/tests/proc_tests.rs
index f5c4d7f0..90dd8c25 100644
--- a/crates/dreamchecker/tests/proc_tests.rs
+++ b/crates/dreamchecker/tests/proc_tests.rs
@@ -57,3 +57,20 @@ fn return_type_failure() {
     .trim();
     check_errors_match(code, RETURN_TYPE_FAILURE_ERRORS);
 }
+
+pub const EMPTY_LIST_FIND_ERRORS: &[(u32, u16, &str)] = &[ (
+    3,
+    20,
+    "list.Find() with no arguments searches for null, write Find(null) if that is intended",
+) ];
+
+#[test]
+fn empty_list_find_warns() {
+    let code = r##"
+/proc/test()
+    var/list/list_foo = list("a", null, "c")
+    return list_foo.Find()
+"##
+    .trim();
+    check_errors_match(code, EMPTY_LIST_FIND_ERRORS);
+}