diff --git a/src/dsql/metd.epp b/src/dsql/metd.epp
index 4a60e86bef..b7df1e74ae 100644
--- a/src/dsql/metd.epp
+++ b/src/dsql/metd.epp
@@ -846,7 +846,7 @@ dsql_udf* METD_get_function(jrd_tra* transaction, DsqlCompilerScratch* dsqlScrat
 	}
 
 	if (userFunc && (userFunc->udf_flags & UDF_dropped))
-		userFunc = nullptr;
+		userFunc = NULL;
 
 	if (userFunc)
 		return userFunc;
@@ -1211,7 +1211,7 @@ dsql_prc* METD_get_procedure(jrd_tra* transaction, DsqlCompilerScratch* dsqlScra
 	}
 
 	if (procedure && (procedure->prc_flags & PRC_dropped))
-		procedure = nullptr;
+		procedure = NULL;
 
 	if (procedure)
 		return procedure;