diff --git a/src/db/db/dbLayoutToNetlist.h b/src/db/db/dbLayoutToNetlist.h
index 4963439f2..8a9a8efbd 100644
--- a/src/db/db/dbLayoutToNetlist.h
+++ b/src/db/db/dbLayoutToNetlist.h
@@ -263,7 +263,7 @@ private:
 namespace tl
 {
 
-template<> struct tl::type_traits<db::LayoutToNetlist> : public tl::type_traits<void>
+template<> struct type_traits<db::LayoutToNetlist> : public tl::type_traits<void>
 {
   //  mark "NetlistDeviceExtractor" as not having a default ctor and no copy ctor
   typedef tl::false_tag has_copy_constructor;
diff --git a/src/db/db/dbNetlistDeviceExtractor.h b/src/db/db/dbNetlistDeviceExtractor.h
index 8684cd651..de7201669 100644
--- a/src/db/db/dbNetlistDeviceExtractor.h
+++ b/src/db/db/dbNetlistDeviceExtractor.h
@@ -481,7 +481,7 @@ private:
 namespace tl
 {
 
-template<> struct tl::type_traits<db::NetlistDeviceExtractor> : public tl::type_traits<void>
+template<> struct type_traits<db::NetlistDeviceExtractor> : public tl::type_traits<void>
 {
   //  mark "NetlistDeviceExtractor" as not having a default ctor and no copy ctor
   typedef tl::false_tag has_copy_constructor;
diff --git a/src/db/db/dbNetlistDeviceExtractorClasses.h b/src/db/db/dbNetlistDeviceExtractorClasses.h
index 7d8e9e09f..32e2e538a 100644
--- a/src/db/db/dbNetlistDeviceExtractorClasses.h
+++ b/src/db/db/dbNetlistDeviceExtractorClasses.h
@@ -70,7 +70,7 @@ protected:
 namespace tl
 {
 
-template<> struct tl::type_traits<db::NetlistDeviceExtractorMOS3Transistor> : public tl::type_traits<void>
+template<> struct type_traits<db::NetlistDeviceExtractorMOS3Transistor> : public tl::type_traits<void>
 {
   typedef tl::false_tag has_copy_constructor;
   typedef tl::false_tag has_default_constructor;