diff --git a/src/lib/format-obj.cpp b/src/lib/format-obj.cpp
index f2cdc0216..9de89b7d4 100644
--- a/src/lib/format-obj.cpp
+++ b/src/lib/format-obj.cpp
@@ -205,7 +205,7 @@ apologies for that."
                                 "|lumiera::"
                                 , regex::ECMAScript | regex::optimize};
     
-    static regex stdString {"(__cxx11::)?basic_string<char, char_traits<char>, allocator<char>\\s*>\\s*"
+    static regex stdString {"(__cxx11::)?basic_string<char, char_traits<char>, allocator<char>\\s*>(\\s+\\B)?"
                                 , regex::ECMAScript | regex::optimize};
     
     static regex stdAllocator {"(\\w+<(" TYP_EXP ")), allocator<\\2>\\s*"