diff --git a/kdclient/patchapi.cpp b/kdclient/patchapi.cpp
index 7269fa8..a589b92 100644
--- a/kdclient/patchapi.cpp
+++ b/kdclient/patchapi.cpp
@@ -154,7 +154,7 @@ unsigned SessionNameFromVMWareCmdLineW(const wchar_t *pszCmdLineConst, wchar_t *
 	size_t todo = end - start;
 	if (todo >= MaxNameLength)
 		todo = MaxNameLength - 1;
-	memcpy(pName, start, todo * sizeof(wchar_t *));
+	memcpy(pName, start, todo * sizeof(wchar_t));
 	pName[todo] = 0;
 	return (unsigned)todo;
 }