diff --git a/lv/lvlib.cpp b/lv/lvlib.cpp
index 34face3dd..affb67601 100755
--- a/lv/lvlib.cpp
+++ b/lv/lvlib.cpp
@@ -56,7 +56,7 @@ long lv_find_contract(const long codcf, const long indsped, const TDate& data)
 {
   TString query;
   query << "USE LVCONDV\n"
-        << "SELECT BETWEEN(#DATA,DATAIN,DATASC)&&BETWEEN(CODINDSP,#INDSPED,#INDSPED)&&(PROPOSTA!='X')\n"
+        << "SELECT BETWEEN(#DATA,DATAIN,DATASC)&&BETWEEN(CODINDSP,#INDSPED,#INDSPED)&&(PROPOSTA!=\"X\")\n"
         << "FROM CODCF=#CODCF\nTO CODCF=#CODCF";
   TISAM_recordset contr(query);
   contr.set_var("#DATA",data);