diff --git a/src/oceanic_atom2_parser.c b/src/oceanic_atom2_parser.c
index 0c5dc27..85bc420 100644
--- a/src/oceanic_atom2_parser.c
+++ b/src/oceanic_atom2_parser.c
@@ -439,6 +439,8 @@ oceanic_atom2_parser_samples_foreach (parser_t *abstract, sample_callback_t call
 			// Tank Pressure (psi)
 			if (parser->model == OC1A || parser->model == OC1B)
 				pressure = (data[offset + 10] + (data[offset + 11] << 8)) & 0x0FFF;
+			else if (parser->model == ZENAIR)
+				pressure = (((data[offset + 0] & 0x03) << 8) + data[offset + 1]) * 5;
 			else
 				pressure -= data[offset + 1];
 			sample.pressure.tank = tank;