diff --git a/src/gas/jsupm_gas.i b/src/gas/jsupm_gas.i
index 98216102..28a06a68 100644
--- a/src/gas/jsupm_gas.i
+++ b/src/gas/jsupm_gas.i
@@ -2,6 +2,12 @@
 %include "../upm.i"
 %include "../carrays_uint16_t.i"
 
+%typemap(in) uint16_t * {
+  void *argp = 0 ;
+  int res = SWIG_ConvertPtr($input, &argp,SWIGTYPE_p_uint16Array, 0 |  0 );
+  $1 = (uint16_t *)(argp);
+}
+
 %include "gas.h"
 %{
     #include "gas.h"