4 files changed, 5 insertions, 5 deletions
diff --git a/glucometerutils/drivers/otverio2015.py b/glucometerutils/drivers/otverio2015.py
index 833ad43..1fe630a 100644
--- a/glucometerutils/drivers/otverio2015.py
+++ b/glucometerutils/drivers/otverio2015.py
@@ -108,7 +108,7 @@ _READ_RECORD_RESPONSE = construct.Struct(
     'lifetime_counter' / construct.Int16ul,
     'timestamp' / lifescan_binary_protocol.VERIO_TIMESTAMP,
     'value' / construct.Int16ul,
-    'meal' / construct.SymmetricMapping(
+    'meal' / construct.Mapping(
         construct.Byte, _MEAL_FLAG),
     construct.Padding(4),
 )
diff --git a/glucometerutils/drivers/otverioiq.py b/glucometerutils/drivers/otverioiq.py
index cecac4e..ead19a9 100644
--- a/glucometerutils/drivers/otverioiq.py
+++ b/glucometerutils/drivers/otverioiq.py
@@ -97,7 +97,7 @@ _READING_RESPONSE = construct.Struct(
     'timestamp' / lifescan_binary_protocol.VERIO_TIMESTAMP,
     'value' / construct.Int16ul,
     'control_test' / construct.Flag,
-    'meal' / construct.SymmetricMapping(
+    'meal' / construct.Mapping(
         construct.Byte, _MEAL_FLAG),
     construct.Padding(2),  # unknown
 )
diff --git a/glucometerutils/drivers/sdcodefree.py b/glucometerutils/drivers/sdcodefree.py
index 55c0bf1..5bc76fb 100644
--- a/glucometerutils/drivers/sdcodefree.py
+++ b/glucometerutils/drivers/sdcodefree.py
@@ -41,7 +41,7 @@ class Direction(enum.Enum):
 
 _PACKET = construct.Struct(
     'stx' / construct.Const(0x53, construct.Byte),
-    'direction' / construct.SymmetricMapping(
+    'direction' / construct.Mapping(
         construct.Byte,
         {e: e.value for e in Direction}),
     'length' / construct.Rebuild(
@@ -82,7 +82,7 @@ _READING = construct.Struct(
     'hour' / construct.Byte,
     'minute' / construct.Byte,
     'value' / construct.Int16ub,
-    'meal' / construct.SymmetricMapping(
+    'meal' / construct.Mapping(
         construct.Byte, _MEAL_FLAG),
     construct.Byte[7],
 )
diff --git a/glucometerutils/support/lifescan_binary_protocol.py b/glucometerutils/support/lifescan_binary_protocol.py
index 7b1fbec..9bdb220 100644
--- a/glucometerutils/support/lifescan_binary_protocol.py
+++ b/glucometerutils/support/lifescan_binary_protocol.py
@@ -62,5 +62,5 @@ _GLUCOSE_UNIT_MAPPING_TABLE = {
     common.Unit.MMOL_L: 0x01,
 }
 
-GLUCOSE_UNIT = construct.SymmetricMapping(
+GLUCOSE_UNIT = construct.Mapping(
     construct.Byte, _GLUCOSE_UNIT_MAPPING_TABLE)