diff --git a/mhkit/dolfyn/rotate/api.py b/mhkit/dolfyn/rotate/api.py
index f06afc5a1..72d35a164 100644
--- a/mhkit/dolfyn/rotate/api.py
+++ b/mhkit/dolfyn/rotate/api.py
@@ -14,6 +14,7 @@
     # Nortek instruments
     "vector": r_vec,
     "awac": r_awac,
+    "aquadopp": r_awac,
     "signature": r_sig,
     "ad2cp": r_sig,
     # TRDI instruments
diff --git a/mhkit/tests/dolfyn/test_rotate_adp.py b/mhkit/tests/dolfyn/test_rotate_adp.py
index b453e4ed8..9b25d6431 100644
--- a/mhkit/tests/dolfyn/test_rotate_adp.py
+++ b/mhkit/tests/dolfyn/test_rotate_adp.py
@@ -118,20 +118,23 @@ def test_rotate_earth2inst(self):
         rotate2(td_sig, "inst", inplace=True)
         td_sig_i = load("Sig1000_IMU_rotate_inst2earth.nc")
         rotate2(td_sig_i, "inst", inplace=True)
-        # Just check that these run without error
-        td_sig_avg = load("Sig100_avg.nc")
-        rotate2(td_sig_avg, "inst", inplace=True)
-        td_sig_dp1_ice = load("Sig500_dp_ice2.nc")
-        rotate2(td_sig_dp1_ice, "inst", inplace=True)
 
+        # ship and inst are considered equivalent in dolfyn
         cd_rdi = load("RDI_test01_rotate_beam2inst.nc")
         cd_wr2 = tr.dat_wr2
-        # ship and inst are considered equivalent in dolfyn
         cd_wr2.attrs["coord_sys"] = "inst"
         cd_awac = load("AWAC_test01_earth2inst.nc")
         cd_sig = load("BenchFile01_rotate_beam2inst.nc")
         cd_sig_i = load("Sig1000_IMU_rotate_beam2inst.nc")
 
+        # Just check that these run without error
+        td_sig_avg = load("Sig100_avg.nc")
+        rotate2(td_sig_avg, "inst", inplace=True)
+        td_sig_dp1_ice = load("Sig500_dp_ice2.nc")
+        rotate2(td_sig_dp1_ice, "inst", inplace=True)
+        td_aqd = load("AQD_test01.nc")
+        rotate2(td_aqd, "inst", inplace=True)
+
         assert_allclose(td_rdi, cd_rdi, atol=1e-5)
         assert_allclose(tdwr2, cd_wr2, atol=1e-5)
         assert_allclose(td_awac, cd_awac, atol=1e-5)