diff --git a/eth/tracers/logger/logger.go b/eth/tracers/logger/logger.go
index 3294baaaac..cd6e03a500 100644
--- a/eth/tracers/logger/logger.go
+++ b/eth/tracers/logger/logger.go
@@ -157,6 +157,9 @@ type structLogLegacy struct {
 }
 
 func formatMemoryWord(chunk []byte) string {
+    if len(chunk) == 32 {
+        return hexutil.Encode(chunk)
+    }
 	var word [32]byte
 	copy(word[:], chunk)
 	return hexutil.Encode(word[:])