diff --git a/tests/test_HMC_DoubleCouple.py b/tests/test_HMC_DoubleCouple.py
index 3a3489c13..a8703bd53 100644
--- a/tests/test_HMC_DoubleCouple.py
+++ b/tests/test_HMC_DoubleCouple.py
@@ -131,7 +131,7 @@
         data = read(path_data, format='sac',
             event_id=event_id,
             station_id_list=station_id_list,
-            tags=['units:cm', 'type:velocity'])
+            tags=['units:m', 'type:velocity'])
 
 
         data.sort_by_distance()
diff --git a/tests/test_HMC_FullMomentTensor.py b/tests/test_HMC_FullMomentTensor.py
index a419ef319..e39e8659f 100644
--- a/tests/test_HMC_FullMomentTensor.py
+++ b/tests/test_HMC_FullMomentTensor.py
@@ -132,7 +132,7 @@
         data = read(path_data, format='sac',
             event_id=event_id,
             station_id_list=station_id_list,
-            tags=['units:cm', 'type:velocity'])
+            tags=['units:m', 'type:velocity'])
 
 
         data.sort_by_distance()
diff --git a/tests/test_greens_SPECFEM3D_SAC.py b/tests/test_greens_SPECFEM3D_SAC.py
index 69276db4b..64582198c 100644
--- a/tests/test_greens_SPECFEM3D_SAC.py
+++ b/tests/test_greens_SPECFEM3D_SAC.py
@@ -106,7 +106,7 @@
     data = read(path_data, format='sac',
         event_id=event_id,
         station_id_list=station_id_list,
-        tags=['units:cm', 'type:velocity']) 
+        tags=['units:m', 'type:velocity']) 
 
 
     data.sort_by_distance()
diff --git a/tests/test_greens_SPECFEM3D_SGT.py b/tests/test_greens_SPECFEM3D_SGT.py
index d4972c81d..f7584642f 100644
--- a/tests/test_greens_SPECFEM3D_SGT.py
+++ b/tests/test_greens_SPECFEM3D_SGT.py
@@ -108,7 +108,7 @@
     data = read(path_data, format='sac',
         event_id=event_id,
         station_id_list=station_id_list,
-        tags=['units:cm', 'type:velocity']) 
+        tags=['units:m', 'type:velocity']) 
 
 
     data.sort_by_distance()