diff --git a/grammar/src/expressions.grm b/grammar/src/expressions.grm
index a9426c0f8d3..09edf68b597 100644
--- a/grammar/src/expressions.grm
+++ b/grammar/src/expressions.grm
@@ -229,7 +229,7 @@ callSuffix
   ;
 
 annotatedLambda
-  : ("@" annotationEntry)* labelDefinition? functionLiteral
+  : ("@" unescapedAnnotation)* labelDefinition? functionLiteral
 
 memberAccessOperation
   : "." : "?." : "?"
diff --git a/grammar/src/toplevel.grm b/grammar/src/toplevel.grm
index 9730771d27a..716d233b6a2 100644
--- a/grammar/src/toplevel.grm
+++ b/grammar/src/toplevel.grm
@@ -24,7 +24,7 @@ fileAnnotations
   ;
 
 fileAnnotation
-  : "@" "file" ":" ("[" annotationEntry+ "]" | annotationEntry)
+  : "@" "file" ":" ("[" unescapedAnnotation+ "]" | unescapedAnnotation)
   ;
 
 packageHeader