diff --git a/src/parser3.h b/src/parser3.h
index 4fd54f6..18ec8de 100644
--- a/src/parser3.h
+++ b/src/parser3.h
@@ -555,6 +555,10 @@ inline PRESERVE_NONE WeaselJsonStatus n_string2(Parser3 *self, char *buf,
         }
         *self->writeBuf++ = unescaped;
       }
+      if (buf == bufEnd) {
+        self->flushString(false);
+        return WeaselJson_AGAIN;
+      }
       MUSTTAIL return n_string2(self, buf, bufEnd);
     }
   default: