diff --git a/examples/F90/grib_get_keys.f90 b/examples/F90/grib_get_keys.f90
index b7db43204..5a20b8179 100644
--- a/examples/F90/grib_get_keys.f90
+++ b/examples/F90/grib_get_keys.f90
@@ -26,7 +26,7 @@ program grib_get_keys
    real, dimension(:), allocatable    ::  values
    integer                            ::  numberOfValues
    real                               ::  average, min_val, max_val
-   integer                            ::  is_missing
+   integer                            ::  is_missing, is_defined
    character(len=10)                  ::  open_mode = 'r'
 
    call codes_open_file(ifile, '../../data/reduced_latlon_surface.grib1', open_mode)
@@ -38,9 +38,14 @@ program grib_get_keys
       call codes_grib_new_from_file(ifile, igrib, iret)
       if (iret == CODES_END_OF_FILE) exit LOOP
 
+      ! check key is defined
+      is_defined = 0
+      call codes_is_defined(igrib, 'Ni', is_defined)
+      write (*, *) 'Key Ni is defined? ', is_defined
+
       ! check if the value of the key is MISSING
-      is_missing = 0;
-      call codes_is_missing(igrib, 'Ni', is_missing);
+      is_missing = 0
+      call codes_is_missing(igrib, 'Ni', is_missing)
       if (is_missing /= 1) then
          ! key value is not missing so get as an integer
          call codes_get(igrib, 'Ni', numberOfPointsAlongAParallel)
diff --git a/examples/F90/grib_get_keys.sh b/examples/F90/grib_get_keys.sh
index 6d7ba8346..0e2eb35c2 100755
--- a/examples/F90/grib_get_keys.sh
+++ b/examples/F90/grib_get_keys.sh
@@ -9,4 +9,4 @@
 
 . ./include.ctest.sh
 
-${examples_dir}/eccodes_f_grib_get_keys > /dev/null
+${examples_dir}/eccodes_f_grib_get_keys