diff --git a/ghc/compiler/parser/hsparser.y b/ghc/compiler/parser/hsparser.y
index f2fc70d5e3f92cefb7fa1c60554faef3563ec4a9..2e78de726ee253217c3c3f89cffadf333594c90c 100644
--- a/ghc/compiler/parser/hsparser.y
+++ b/ghc/compiler/parser/hsparser.y
@@ -352,6 +352,7 @@ interface_pragma : /* empty */
         ;
 
 maybeexports :	/* empty */			{ $$ = mknothing(); }
+        |  OPAREN CPAREN			{ $$ = mknothing(); }
 	|  OPAREN export_list CPAREN		{ $$ = mkjust($2); }
 	|  OPAREN export_list COMMA CPAREN	{ $$ = mkjust($2); }
 	;