diff --git a/octoprint_enclosure/__init__.py b/octoprint_enclosure/__init__.py
index 100908d..81fa589 100644
--- a/octoprint_enclosure/__init__.py
+++ b/octoprint_enclosure/__init__.py
@@ -1052,12 +1052,10 @@ class EnclosurePlugin(octoprint.plugin.StartupPlugin, octoprint.plugin.TemplateP
 
             with SMBus(i2cbus) as bus:
                 data = bus.read_i2c_block_data(i2caddr, i2creg, 8)
-                val = struct.unpack('f', bytearray(data[0:4]))
-                fval1 = val[0]
+                fval1 = struct.unpack('f', bytearray(data[0:4]))[0]
                 if fval1 != fval1:
                     fval1 = 0
-                val = struct.unpack('f', bytearray(data[4:8]))
-                fval2 = val[0]
+                fval2 = struct.unpack('f', bytearray(data[4:8]))[0]
                 if fval2 != fval2:
                     fval2 = 0