diff --git a/FEXCore/Source/Interface/Core/Frontend.cpp b/FEXCore/Source/Interface/Core/Frontend.cpp
index 0a0008a3f..d8e6681d8 100644
--- a/FEXCore/Source/Interface/Core/Frontend.cpp
+++ b/FEXCore/Source/Interface/Core/Frontend.cpp
@@ -1174,6 +1174,8 @@ void Decoder::DecodeInstructionsAtEntry(const uint8_t* _InstStream, uint64_t PC,
     InstStream = AdjustAddrForSpecialRegion(_InstStream, EntryPoint, RIPToDecode);
 
     while (1) {
+      InstructionSize = 0;
+
       // MAX_INST_SIZE assumes worst case
       auto OpAddress = RIPToDecode + PCOffset;
       auto OpMaxAddress = OpAddress + MAX_INST_SIZE;