diff --git a/dev/ci/user-overlays/19981-SkySkimmer-classify-warn.sh b/dev/ci/user-overlays/19981-SkySkimmer-classify-warn.sh
new file mode 100644
index 000000000000..c372ae9215a4
--- /dev/null
+++ b/dev/ci/user-overlays/19981-SkySkimmer-classify-warn.sh
@@ -0,0 +1 @@
+overlay metacoq https://github.com/SkySkimmer/metacoq classify-warn 19981
diff --git a/doc/changelog/08-vernac-commands-and-options/19981-classify-warn.rst b/doc/changelog/08-vernac-commands-and-options/19981-classify-warn.rst
new file mode 100644
index 000000000000..656fa5947343
--- /dev/null
+++ b/doc/changelog/08-vernac-commands-and-options/19981-classify-warn.rst
@@ -0,0 +1,5 @@
+- **Fixed:**
+  :opt:`Debug` and :opt:`Warnings` are classified as Synterp.
+  This changes the scheduling during :cmd:`Import` such that putting `#[export] Set Warnings` around a specific command may change behaviour.
+  (`#19981 <https://github.com/coq/coq/pull/19981>`_,
+  by Gaëtan Gilbert).
diff --git a/vernac/vernacentries.ml b/vernac/vernacentries.ml
index 536f642473f0..a9f959d1baf2 100644
--- a/vernac/vernacentries.ml
+++ b/vernac/vernacentries.ml
@@ -1967,7 +1967,7 @@ let () =
     CWarnings.normalize_flags_string flags
   in
   declare_string_option ~preprocess
-    { optstage = Summary.Stage.Interp;
+    { optstage = Summary.Stage.Synterp;
       optdepr  = None;
       optkey   = ["Warnings"];
       optread  = CWarnings.get_flags;
@@ -1975,7 +1975,7 @@ let () =
 
 let () =
   declare_string_option
-    { optstage = Summary.Stage.Interp;
+    { optstage = Summary.Stage.Synterp;
       optdepr  = None;
       optkey   = ["Debug"];
       optread  = CDebug.get_flags;