diff --git a/bsp_q7s/devices/startracker/StrHelper.cpp b/bsp_q7s/devices/startracker/StrHelper.cpp
index 0be38ad7..59587317 100644
--- a/bsp_q7s/devices/startracker/StrHelper.cpp
+++ b/bsp_q7s/devices/startracker/StrHelper.cpp
@@ -634,7 +634,7 @@ ReturnValue_t StrHelper::checkFlashActionReply(uint8_t region_, uint32_t address
                 << std::endl;
         return result;
     }
-    uint16_t length;
+    uint16_t length = 0;
     size = sizeof(length);
     const uint8_t* lengthData = data + LENGTH_OFFSET;
     result = SerializeAdapter::deSerialize(&length, lengthData, &size,