diff --git a/src/knx/dptconvert.cpp b/src/knx/dptconvert.cpp
index 1954d2d4..57b65342 100644
--- a/src/knx/dptconvert.cpp
+++ b/src/knx/dptconvert.cpp
@@ -1642,7 +1642,7 @@ uint32_t unsigned32FromPayload(const uint8_t* payload, int index)
 }
 int32_t signed32FromPayload(const uint8_t* payload, int index)
 {
-    return (int32_t)unsigned32FromPayload(payload, index);
+    return static_cast<int32_t>(unsigned32FromPayload(payload, index));
 }
 uint64_t unsigned64FromPayload(const uint8_t* payload, int index)
 {