diff --git a/src/runtime/src/eh_artiq.rs b/src/runtime/src/eh_artiq.rs
index ba59a04c..4cd3ba4e 100644
--- a/src/runtime/src/eh_artiq.rs
+++ b/src/runtime/src/eh_artiq.rs
@@ -406,7 +406,7 @@ extern fn stop_fn(_version: c_int,
 }
 
 // Must be kept in sync with preallocate_runtime_exception_names() in artiq/language/embedding_map.py
-static EXCEPTION_ID_LOOKUP: [(&str, u32); 10] = [
+static EXCEPTION_ID_LOOKUP: [(&str, u32); 11] = [
     ("RuntimeError", 0),
     ("RTIOUnderflow", 1),
     ("RTIOOverflow", 2),