diff --git a/src/IpmbSensor.cpp b/src/IpmbSensor.cpp
index bc9d842..a7c1e09 100644
--- a/src/IpmbSensor.cpp
+++ b/src/IpmbSensor.cpp
@@ -241,7 +241,6 @@
                 return false;
             }
             resp = data[0];
-
             return true;
         }
         case (ReadingFormat::byte3):
@@ -348,6 +347,18 @@
                     read();
                     return;
                 }
+                else
+                {
+                    // rawValue only used in debug logging
+                    // up to 5th byte in data are used to derive value
+                    size_t end = std::min(sizeof(uint64_t), data.size());
+                    uint64_t rawData = 0;
+                    for (size_t i = 0; i < end; i++)
+                    {
+                        reinterpret_cast<uint8_t*>(&rawData)[i] = data[i];
+                    }
+                    rawValue = static_cast<double>(rawData);
+                }
 
                 /* Adjust value as per scale and offset */
                 value = (value * scaleVal) + offsetVal;