diff --git a/server/TracySourceView.cpp b/server/TracySourceView.cpp
index 8608d479..466aae04 100644
--- a/server/TracySourceView.cpp
+++ b/server/TracySourceView.cpp
@@ -685,8 +685,9 @@ bool SourceView::Disassemble( uint64_t symAddr, const Worker& worker )
             if( ( m_cpuArch == CpuArchX64 || m_cpuArch == CpuArchX86 ) && op.id == X86_INS_LEA )
             {
                 assert( op.detail->x86.op_count == 2 );
-                assert( op.detail->x86.operands[1].type == X86_OP_MEM );
-                auto& mem = op.detail->x86.operands[1].mem;
+                const auto opidx = m_atnt ? 0 : 1;
+                assert( op.detail->x86.operands[opidx].type == X86_OP_MEM );
+                auto& mem = op.detail->x86.operands[opidx].mem;
                 if( mem.base == X86_REG_INVALID )
                 {
                     if( mem.index == X86_REG_INVALID )