diff --git a/lib/src/abstract/Lang.gf b/lib/src/abstract/Lang.gf
index 1a1866e98..44840f728 100644
--- a/lib/src/abstract/Lang.gf
+++ b/lib/src/abstract/Lang.gf
@@ -10,7 +10,7 @@ abstract Lang =
   Lexicon
   ,Construction  --- could be compiled here, but not in concretes, as they call Syntax and Grammar
   ,Documentation
-  ,Markup
+  ,Markup - [stringMark]
   ** {
   flags startcat=Phr ;
   } ;
diff --git a/lib/src/english/LangEng.gf b/lib/src/english/LangEng.gf
index 47059fa08..0d2b663c1 100644
--- a/lib/src/english/LangEng.gf
+++ b/lib/src/english/LangEng.gf
@@ -5,7 +5,7 @@ concrete LangEng of Lang =
   LexiconEng
   ,ConstructionEng
   ,DocumentationEng
-  ,MarkupEng
+  ,MarkupEng - [stringMark]
   ** {
 
 flags startcat = Phr ; unlexer = text ; lexer = text ;
diff --git a/lib/src/swedish/LangSwe.gf b/lib/src/swedish/LangSwe.gf
index ff26a0185..756ee08a9 100644
--- a/lib/src/swedish/LangSwe.gf
+++ b/lib/src/swedish/LangSwe.gf
@@ -5,7 +5,7 @@ concrete LangSwe of Lang =
   LexiconSwe
   ,ConstructionSwe
   ,DocumentationSwe
-  ,MarkupSwe
+  ,MarkupSwe - [stringMark]
   ** {
 
 flags startcat = Phr ;  unlexer = text ; lexer = text ;