diff --git a/CHANGELOG.md b/CHANGELOG.md
index c77efa706ed0..3c55472112fd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,12 +17,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Deprecated
 
-
-## [2.18.3] - 2022-03-14
+## [2.18.3] - 2022-03-15
 
 ### Fixed
 
 - Fixed bug in 2.18.2 release when computing lats in degrees lat-lon grid factory
+- Fixed GNU bug when defining file metadata in lat-lon grid factory
 
 ## [2.18.2] - 2022-03-11
 
diff --git a/base/MAPL_LatLonGridFactory.F90 b/base/MAPL_LatLonGridFactory.F90
index 37071162648e..9cf017f3784c 100644
--- a/base/MAPL_LatLonGridFactory.F90
+++ b/base/MAPL_LatLonGridFactory.F90
@@ -1825,6 +1825,7 @@ subroutine append_metadata(this, metadata)
       type (FileMetadata), intent(inout) :: metadata
 
       type (Variable) :: v
+      real(kind=REAL64), allocatable :: temp_coords(:)
      
       ! Horizontal grid dimensions
       call metadata%add_dimension('lon', this%im_world)
@@ -1834,13 +1835,16 @@ subroutine append_metadata(this, metadata)
       v = Variable(type=PFIO_REAL64, dimensions='lon')
       call v%add_attribute('long_name', 'longitude')
       call v%add_attribute('units', 'degrees_east')
-      call v%add_const_value(UnlimitedEntity(this%get_longitudes_degrees()))
+      temp_coords = this%get_longitudes_degrees()
+      call v%add_const_value(UnlimitedEntity(temp_coords))
       call metadata%add_variable('lon', v)
+      deallocate(temp_coords)
 
       v = Variable(type=PFIO_REAL64, dimensions='lat')
       call v%add_attribute('long_name', 'latitude')
       call v%add_attribute('units', 'degrees_north')
-      call v%add_const_value(UnlimitedEntity(this%get_latitudes_degrees()))
+      temp_coords=this%get_latitudes_degrees()
+      call v%add_const_value(UnlimitedEntity(temp_coords))
       call metadata%add_variable('lat', v)
 
    end subroutine append_metadata