diff --git a/fortran/eccodes_constants.h b/fortran/eccodes_constants.h
index bb1e4030f..94daa6603 100644
--- a/fortran/eccodes_constants.h
+++ b/fortran/eccodes_constants.h
@@ -65,5 +65,3 @@
   integer, parameter,public :: CODES_END_OF_FILE                                   = -1
   integer, parameter,public :: CODES_SUCCESS                                       = 0
   integer, parameter,public :: CODES_NULL                                          = -1
-  real(8),    parameter,public :: CODES_MISSING_DOUBLE                              = -1.D+100
-  integer(4), parameter,public :: CODES_MISSING_LONG                                = 2147483647
diff --git a/fortran/eccodes_f90_head.f90 b/fortran/eccodes_f90_head.f90
index 06cb7866f..bb1fcbd2c 100644
--- a/fortran/eccodes_f90_head.f90
+++ b/fortran/eccodes_f90_head.f90
@@ -17,6 +17,9 @@ module eccodes
   include "eccodes_constants.h"
   include "eccodes_visibility.h"
 
+  real(8),    parameter,public :: CODES_MISSING_DOUBLE = -1.D+100
+  integer(4), parameter,public :: CODES_MISSING_LONG   = 2147483647
+
   integer, parameter,public :: CODES_PRODUCT_ANY  = 0
   integer, parameter,public :: CODES_PRODUCT_GRIB = 1
   integer, parameter,public :: CODES_PRODUCT_BUFR = 2
diff --git a/fortran/grib_api_constants.h b/fortran/grib_api_constants.h
index a011688fc..67d94151d 100644
--- a/fortran/grib_api_constants.h
+++ b/fortran/grib_api_constants.h
@@ -65,5 +65,3 @@
   integer, parameter,public :: GRIB_END_OF_FILE                                   = -1
   integer, parameter,public :: GRIB_SUCCESS                                       = 0
   integer, parameter,public :: GRIB_NULL                                          = -1
-  real(8),    parameter,public :: GRIB_MISSING_DOUBLE                              = -1.D+100
-  integer(4), parameter,public :: GRIB_MISSING_LONG                                = 2147483647
diff --git a/fortran/grib_f90_head.f90 b/fortran/grib_f90_head.f90
index 7df844fbe..7e8b9e990 100644
--- a/fortran/grib_f90_head.f90
+++ b/fortran/grib_f90_head.f90
@@ -18,6 +18,10 @@ module grib_api
   include "grib_api_externals.h"
   include "grib_api_visibility.h"
 
+  real(8),    parameter,public :: GRIB_MISSING_DOUBLE = -1.D+100
+  integer(4), parameter,public :: GRIB_MISSING_LONG   = 2147483647
+
+
   !> Create a new message in memory from an integer or character array containting the coded message.
   !>
   !> The message can be accessed through its gribid and it will be available\n