diff --git a/Examples/ocaml/simple/example_prog.ml b/Examples/ocaml/simple/example_prog.ml
index 5dafdc219..b8bc619e7 100644
--- a/Examples/ocaml/simple/example_prog.ml
+++ b/Examples/ocaml/simple/example_prog.ml
@@ -1,5 +1,6 @@
 (* example_prog.ml *)
 
+open Swig
 open Example
 
 (* Call our gcd() function *)
diff --git a/Examples/ocaml/std_string/runme.ml b/Examples/ocaml/std_string/runme.ml
index d6a933a1c..f178b9bc2 100644
--- a/Examples/ocaml/std_string/runme.ml
+++ b/Examples/ocaml/std_string/runme.ml
@@ -1,5 +1,6 @@
 (* This example was mostly lifted from the guile example directory *)
 
+open Swig
 open Example
 
 let y = "\205\177"
diff --git a/Examples/ocaml/std_vector/example.i b/Examples/ocaml/std_vector/example.i
index 385353ade..60285e529 100644
--- a/Examples/ocaml/std_vector/example.i
+++ b/Examples/ocaml/std_vector/example.i
@@ -8,10 +8,8 @@
 
 %include stl.i
 /* instantiate the required template specializations */
-namespace std {
-    %template(IntVector)    std::vector<int>;
-    %template(DoubleVector) std::vector<double>;
-}
+%template(IntVector)    std::vector<int>;
+%template(DoubleVector) std::vector<double>;
 
 /* Let's just grab the original header file here */
 %include "example.h"
diff --git a/Examples/ocaml/std_vector/runme.ml b/Examples/ocaml/std_vector/runme.ml
index c6c8846f1..6bc206237 100644
--- a/Examples/ocaml/std_vector/runme.ml
+++ b/Examples/ocaml/std_vector/runme.ml
@@ -1,5 +1,6 @@
 (* This example was mostly lifted from the guile example directory *)
 
+open Swig
 open Example
 
 (* repeatedly invoke a procedure with v and an index as arguments *)
diff --git a/Examples/ocaml/stl/runme.ml b/Examples/ocaml/stl/runme.ml
index 82ac7a044..54146ebe0 100644
--- a/Examples/ocaml/stl/runme.ml
+++ b/Examples/ocaml/stl/runme.ml
@@ -1,5 +1,6 @@
 (* This example was mostly lifted from the guile example directory *)
 
+open Swig
 open Example
 
 let v = new_StringVector C_void