diff --git a/src/db/db/dbPoint.cc b/src/db/db/dbPoint.cc
index 97641e812..468ae0da8 100644
--- a/src/db/db/dbPoint.cc
+++ b/src/db/db/dbPoint.cc
@@ -55,6 +55,15 @@ namespace {
 
 }
 
+namespace db
+{
+
+//  instantiations
+template class point<Coord>;
+template class point<DCoord>;
+
+}
+
 namespace tl 
 {
   
diff --git a/src/db/db/dbVector.cc b/src/db/db/dbVector.cc
index 2ef408a5d..f401ba303 100644
--- a/src/db/db/dbVector.cc
+++ b/src/db/db/dbVector.cc
@@ -55,6 +55,15 @@ namespace {
 
 }
 
+namespace db
+{
+
+//  instantiations
+template class vector<Coord>;
+template class vector<DCoord>;
+
+}
+
 namespace tl 
 {