diff --git a/octoprint_enclosure/SI7021.py b/octoprint_enclosure/SI7021.py
index 6b352f1..3e1eb60 100644
--- a/octoprint_enclosure/SI7021.py
+++ b/octoprint_enclosure/SI7021.py
@@ -3,14 +3,18 @@ import time
 import sys
 
 
-if len(sys.argv) == 2:
+if len(sys.argv) == 2 or len(sys.argv) == 3:
     address = int(sys.argv[1],16)
+    if len(sys.argv) == 3:
+        busNum = int(sys.argv[2],16)
+    else:
+        busNum = 1
 else:
     print('-1 | -1')
     sys.exit(1)
 
 # Get I2C bus
-bus = smbus.SMBus(1)
+bus = smbus.SMBus(busNum)
 
 # SI7021 address, 0x40(64)
 #		0xF5(245)	Select Relative Humidity NO HOLD master mode
diff --git a/octoprint_enclosure/__init__.py b/octoprint_enclosure/__init__.py
index 4115048..b324484 100644
--- a/octoprint_enclosure/__init__.py
+++ b/octoprint_enclosure/__init__.py
@@ -800,7 +800,7 @@ class EnclosurePlugin(octoprint.plugin.StartupPlugin, octoprint.plugin.TemplateP
                 elif sensor['temp_sensor_type'] == "am2320":
                     temp, hum = self.read_am2320_temp() # sensor has fixed address
                 elif sensor['temp_sensor_type'] == "si7021":
-                    temp, hum = self.read_si7021_temp(sensor['temp_sensor_address'])
+                    temp, hum = self.read_si7021_temp(sensor['temp_sensor_address'], sensor['temp_sensor_i2cbus'])
                 elif sensor['temp_sensor_type'] == "tmp102":
                     temp = self.read_tmp102_temp(sensor['temp_sensor_address'])
                     hum = 0
@@ -933,14 +933,14 @@ class EnclosurePlugin(octoprint.plugin.StartupPlugin, octoprint.plugin.TemplateP
             self.log_error(ex)
             return (0, 0)
 
-    def read_si7021_temp(self, address):
+    def read_si7021_temp(self, address, i2cbus):
         try:
             script = os.path.dirname(os.path.realpath(__file__)) + "/SI7021.py "
             if self._settings.get(["use_sudo"]):
                 sudo_str = "sudo "
             else:
                 sudo_str = ""
-            cmd = sudo_str + "python " + script + str(address)
+            cmd = sudo_str + "python " + script + str(address) + " " + str(i2cbus)
             if  self._settings.get(["debug_temperature_log"]) is True:
                 self._logger.debug("Temperature SI7021 cmd: %s", cmd)
             stdout = (Popen(cmd, shell=True, stdout=PIPE).stdout).read()
@@ -1891,4 +1891,4 @@ def __plugin_load__():
     __plugin_hooks__ = {
         "octoprint.comm.protocol.gcode.queuing"       : __plugin_implementation__.hook_gcode_queuing,
         "octoprint.plugin.softwareupdate.check_config": __plugin_implementation__.get_update_information
-    }
+    }
diff --git a/octoprint_enclosure/static/js/enclosure.js b/octoprint_enclosure/static/js/enclosure.js
index b7a96e5..e9c4847 100644
--- a/octoprint_enclosure/static/js/enclosure.js
+++ b/octoprint_enclosure/static/js/enclosure.js
@@ -455,7 +455,8 @@ $(function () {
         printer_action: ko.observable("filament"),
         temp_sensor_navbar: ko.observable(true),
         filament_sensor_timeout: ko.observable(120),
-        filament_sensor_enabled: ko.observable(true)
+        filament_sensor_enabled: ko.observable(true),
+        temp_sensor_i2cbus: ko.observable(1)
       });
     };
 
@@ -706,4 +707,4 @@ $(function () {
     elements: ["#tab_plugin_enclosure", "#settings_plugin_enclosure", "#navbar_plugin_enclosure_1", "#navbar_plugin_enclosure_2"]
   });
 
-});
\ No newline at end of file
+});
diff --git a/octoprint_enclosure/templates/enclosure_settings.jinja2 b/octoprint_enclosure/templates/enclosure_settings.jinja2
index 45a2b8a..a30ca69 100644
--- a/octoprint_enclosure/templates/enclosure_settings.jinja2
+++ b/octoprint_enclosure/templates/enclosure_settings.jinja2
@@ -582,6 +582,14 @@
             <code>i2cdetect -y 1</code> on your Raspberry Pi</span>
         </div>
       </div>
+      <div class="control-group">
+        <label class="control-label" for="settings-enclosure-dhtPin">{{ _('i2c Bus') }}</label>
+        <div class="controls">
+          <input type="text" class="input-block-level" data-bind="value: temp_sensor_i2cbus">
+          <span class="help-inline">This value should remain 1 unless you've used dtoverlay=i2c-gpio.
+          </span>
+        </div>
+      </div>
       <!-- /ko -->
       <!-- ko if: ($data.temp_sensor_type() == "max31855") -->
       <div class="control-group">
@@ -901,4 +909,4 @@
       </div>
       <!-- /ko -->
     </form>
-  </div>
\ No newline at end of file
+  </div>