diff --git a/language/src/ceylon/language/annotations.ceylon b/language/src/ceylon/language/annotations.ceylon
index ebbf1458fe2..3c423e5b210 100644
--- a/language/src/ceylon/language/annotations.ceylon
+++ b/language/src/ceylon/language/annotations.ceylon
@@ -311,7 +311,8 @@ shared annotation SuppressWarningsAnnotation suppressWarnings(
      `smallIgnored`,
      `literalNotSmall`,
      `redundantNarrowing`,
-     `redundantIteration`."
+     `redundantIteration`,
+     `missingImportPrefix`."
     String* warnings) 
         => SuppressWarningsAnnotation(*warnings);