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-rw-r--r--src/Protocol/Protocol_1_8.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Protocol/Protocol_1_8.cpp b/src/Protocol/Protocol_1_8.cpp
index f0d530eaf..a9fa8f23a 100644
--- a/src/Protocol/Protocol_1_8.cpp
+++ b/src/Protocol/Protocol_1_8.cpp
@@ -2742,7 +2742,7 @@ void cProtocol_1_8_0::HandlePacketUpdateSign(cByteBuffer & a_ByteBuffer)
for (int i = 0; i < 4; i++)
{
HANDLE_READ(a_ByteBuffer, ReadVarUTF8String, AString, Line);
- if (JsonUtils::ParseString(Line, root))
+ if (JsonUtils::ParseString(Line, root) && root.isString())
{
Lines[i] = root.asString();
}