diff --git a/src/jrd/blb.h b/src/jrd/blb.h
index 0269fbe935..5243a112b6 100644
--- a/src/jrd/blb.h
+++ b/src/jrd/blb.h
@@ -248,11 +248,16 @@ inline USHORT blb::getMaxSegment() const
 } //namespace Jrd
 
 
+namespace Firebird {
+
 template <>
-inline void Firebird::SimpleDelete<Jrd::blb>::clear(Jrd::blb* b)
+inline void SimpleDelete<Jrd::blb>::clear(Jrd::blb* b)
 {
 	if (b)
 		b->BLB_cancel();
 }
 
+} //namespace Firebird
+
+
 #endif // JRD_BLB_H