diff --git a/dsmr_parser/telegram_specifications.py b/dsmr_parser/telegram_specifications.py
index 19b0028..1e28fce 100644
--- a/dsmr_parser/telegram_specifications.py
+++ b/dsmr_parser/telegram_specifications.py
@@ -104,12 +104,12 @@ V5 = {
         obis.VOLTAGE_SWELL_L1_COUNT: CosemParser(ValueParser(int)),
         obis.VOLTAGE_SWELL_L2_COUNT: CosemParser(ValueParser(int)),
         obis.VOLTAGE_SWELL_L3_COUNT: CosemParser(ValueParser(int)),
-        obis.INSTANTANEOUS_VOLTAGE_L1: CosemParser(ValueParser(int)),
-        obis.INSTANTANEOUS_VOLTAGE_L2: CosemParser(ValueParser(int)),
-        obis.INSTANTANEOUS_VOLTAGE_L3: CosemParser(ValueParser(int)),
-        obis.INSTANTANEOUS_CURRENT_L1: CosemParser(ValueParser(int)),
-        obis.INSTANTANEOUS_CURRENT_L2: CosemParser(ValueParser(int)),
-        obis.INSTANTANEOUS_CURRENT_L3: CosemParser(ValueParser(int)),
+        obis.INSTANTANEOUS_VOLTAGE_L1: CosemParser(ValueParser(Decimal)),
+        obis.INSTANTANEOUS_VOLTAGE_L2: CosemParser(ValueParser(Decimal)),
+        obis.INSTANTANEOUS_VOLTAGE_L3: CosemParser(ValueParser(Decimal)),
+        obis.INSTANTANEOUS_CURRENT_L1: CosemParser(ValueParser(Decimal)),
+        obis.INSTANTANEOUS_CURRENT_L2: CosemParser(ValueParser(Decimal)),
+        obis.INSTANTANEOUS_CURRENT_L3: CosemParser(ValueParser(Decimal)),
         obis.TEXT_MESSAGE: CosemParser(ValueParser(str)),
         obis.DEVICE_TYPE: CosemParser(ValueParser(int)),
         obis.INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE: CosemParser(ValueParser(Decimal)),