diff --git a/utils/postgresql/DBExport.bat b/utils/postgresql/DBExport.bat
index bfc598e780..c60ed30695 100644
--- a/utils/postgresql/DBExport.bat
+++ b/utils/postgresql/DBExport.bat
@@ -9,7 +9,9 @@
 @Rem Must have parameter: userAccount
 @if (%1) == () goto usage
 
+@set PGPASSWORD=%2
 pg_dump -U %1 %ADEMPIERE_DB_NAME% > %ADEMPIERE_HOME%\data\ExpDat.dmp
+@set PGPASSWORD=
 
 @cd %ADEMPIERE_HOME%\Data
 @jar cvfM ExpDat.jar ExpDat.dmp
diff --git a/utils/postgresql/DBExport.sh b/utils/postgresql/DBExport.sh
index 145618aec9..75c1bc2f42 100644
--- a/utils/postgresql/DBExport.sh
+++ b/utils/postgresql/DBExport.sh
@@ -18,7 +18,9 @@ if [ "$ADEMPIERE_HOME" = "" -o  "$ADEMPIERE_DB_NAME" = "" ]
     exit 1
 fi
 
+export PGPASSWORD=$2
 pg_dump -U $1 $ADEMPIERE_DB_NAME > $ADEMPIERE_HOME/data/ExpDat.dmp 
+export PGPASSWORD=
 
 cd $ADEMPIERE_HOME/data
 jar cvfM ExpDat.jar ExpDat.dmp ExpDat.log