diff --git a/Source/Engine/Platform/Unix/UnixStringUtils.cpp b/Source/Engine/Platform/Unix/UnixStringUtils.cpp
index c10fc8abb..28c63ed0c 100644
--- a/Source/Engine/Platform/Unix/UnixStringUtils.cpp
+++ b/Source/Engine/Platform/Unix/UnixStringUtils.cpp
@@ -313,6 +313,8 @@ static inline uint32 Utf8ToUtf32Codepoint(const char* src, int32 length)
 
 void StringUtils::ConvertANSI2UTF16(const char* from, Char* to, int32 len)
 {
+    if (len == 0)
+        return;
     const char* const u8end = from + len;
     const char* u8cur = from;
     char16_t* u16cur = to;