diff --git a/src/divesystem_idive_parser.c b/src/divesystem_idive_parser.c
index 473dc57..a27aa7f 100644
--- a/src/divesystem_idive_parser.c
+++ b/src/divesystem_idive_parser.c
@@ -191,7 +191,11 @@ divesystem_idive_parser_get_field (dc_parser_t *abstract, dc_field_type_t type,
 			gasmix->nitrogen = 1.0 - gasmix->oxygen - gasmix->helium;
 			break;
 		case DC_FIELD_ATMOSPHERIC:
-			*((double *) value) = array_uint16_le (data + 11) / 1000.0;
+			if (parser->model >= IX3M_EASY) {
+				*((double *) value) = array_uint16_le (data + 11) / 10000.0;
+			} else {
+				*((double *) value) = array_uint16_le (data + 11) / 1000.0;
+			}
 			break;
 		case DC_FIELD_DIVEMODE:
 			if (parser->divemode == 0xFFFFFFFF)