diff --git a/src/rtctools_heat_network/esdl/esdl_heat_model.py b/src/rtctools_heat_network/esdl/esdl_heat_model.py
index 6317e411..6238ffca 100644
--- a/src/rtctools_heat_network/esdl/esdl_heat_model.py
+++ b/src/rtctools_heat_network/esdl/esdl_heat_model.py
@@ -101,7 +101,7 @@ def get_density(self, asset_name, carrier):
                 "T",
                 273.15 + temperature,
                 "P",
-                carrier.pressure * 1e5,
+                carrier.pressure * 1.0e5,
                 NetworkSettings.NETWORK_COMPOSITION_GAS,
             )
         elif NetworkSettings.NETWORK_TYPE_HYDROGEN in carrier.name:
@@ -110,7 +110,7 @@ def get_density(self, asset_name, carrier):
                 "T",
                 273.15 + temperature,
                 "P",
-                carrier.pressure * 1e5,
+                carrier.pressure * 1.0e5,
                 str(NetworkSettings.NETWORK_TYPE_HYDROGEN).upper(),
             )
         else: