diff --git a/ryzom/server/src/entities_game_service/player_manager/cdb_synchronised.cpp b/ryzom/server/src/entities_game_service/player_manager/cdb_synchronised.cpp
index 99805ee44..3a3bdab26 100644
--- a/ryzom/server/src/entities_game_service/player_manager/cdb_synchronised.cpp
+++ b/ryzom/server/src/entities_game_service/player_manager/cdb_synchronised.cpp
@@ -587,6 +587,8 @@ void	CCDBSynchronised::pushDelta( CBitMemStream& s, CCDBStructNodeLeaf *node, ui
 			uint64 isNull = 1;
 			s.serialAndLog2( isNull, 1 );
 			bitsize += 1;
+			if ( VerboseDatabase )
+				nldebug( "CDB: Pushing permanent value NULL for index %d prop %s", index, node->buildTextId().toString().c_str() );
 		}
 		else
 		{
@@ -639,26 +641,44 @@ void	CCDBSynchronised::pushDeltaPermanent( NLMISC::CBitMemStream& s, CCDBStructN
 		uint64 value;
 		value = (uint64)_DataContainer.getValue64( index ); // "delta from 0"
 
-		if ( node->type() == ICDBStructNode::TEXT )
-		{
-			s.serialAndLog2( value, 32 );
-			bitsize += 32;
-			if ( VerboseDatabase )
-				nldebug( "CDB: Pushing permanent value %" NL_I64 "d (TEXT-32) for index %d prop %s", (sint64)value, index, node->buildTextId().toString().c_str() );
-		}
-		else if ( node->type() == ICDBStructNode::PACKED )
+		if ( node->nullable() && value == 0 )
 		{
-			uint bits;
-			pushPackedValue( s, value, bitsize, bits );
+			uint64 isNull = 1;
+			s.serialAndLog2( isNull, 1 );
+			bitsize += 1;
 			if ( VerboseDatabase )
-				nldebug( "CDB: Pushing permanent value %" NL_I64 "d (PACKED %u bits) for index %d prop %s", (sint64)value, bits, index, node->buildTextId().toString().c_str() );
+				nldebug( "CDB: Pushing permanent value NULL for index %d prop %s", index, node->buildTextId().toString().c_str() );
 		}
 		else
 		{
-			s.serialAndLog2( value, (uint)node->type() );
-			bitsize += (uint32)node->type();
-			if ( VerboseDatabase )
-				nldebug( "CDB: Pushing permanent value %" NL_I64 "d (%u bits) for index %d prop %s", (sint64)value, (uint32)node->type(), index, node->buildTextId().toString().c_str() );
+			if ( node->nullable() )
+			{
+				uint64 isNull = 0;
+				s.serialAndLog2( isNull, 1 );
+				bitsize += 1;
+			}
+
+			if ( node->type() == ICDBStructNode::TEXT )
+			{
+				s.serialAndLog2( value, 32 );
+				bitsize += 32;
+				if ( VerboseDatabase )
+					nldebug( "CDB: Pushing permanent value %" NL_I64 "d (TEXT-32) for index %d prop %s", (sint64)value, index, node->buildTextId().toString().c_str() );
+			}
+			else if ( node->type() == ICDBStructNode::PACKED )
+			{
+				uint bits;
+				pushPackedValue( s, value, bitsize, bits );
+				if ( VerboseDatabase )
+					nldebug( "CDB: Pushing permanent value %" NL_I64 "d (PACKED %u bits) for index %d prop %s", (sint64)value, bits, index, node->buildTextId().toString().c_str() );
+			}
+			else
+			{
+				s.serialAndLog2( value, (uint)node->type() );
+				bitsize += (uint32)node->type();
+				if ( VerboseDatabase )
+					nldebug( "CDB: Pushing permanent value %" NL_I64 "d (%u bits) for index %d prop %s", (sint64)value, (uint32)node->type(), index, node->buildTextId().toString().c_str() );
+			}
 		}
 	}
 	else