diff --git a/src/asmjit/x86/x86regalloc.cpp b/src/asmjit/x86/x86regalloc.cpp
index 5954368..f1883a7 100644
--- a/src/asmjit/x86/x86regalloc.cpp
+++ b/src/asmjit/x86/x86regalloc.cpp
@@ -259,8 +259,8 @@ Error X86RAPass::emitSwapGp(VirtReg* dstReg, VirtReg* srcReg, uint32_t dstPhysId
   ASMJIT_ASSERT(srcPhysId != Globals::kInvalidRegId);
 
   uint32_t is64 = std::max(dstReg->getTypeId(), srcReg->getTypeId()) >= TypeId::kI64;
-  uint32_t sign = is64 ? uint32_t(X86RegTraits<X86Reg::kRegGpd>::kSignature)
-                       : uint32_t(X86RegTraits<X86Reg::kRegGpq>::kSignature);
+  uint32_t sign = is64 ? uint32_t(X86RegTraits<X86Reg::kRegGpq>::kSignature)
+                       : uint32_t(X86RegTraits<X86Reg::kRegGpd>::kSignature);
 
   X86Reg a = X86Reg::fromSignature(sign, dstPhysId);
   X86Reg b = X86Reg::fromSignature(sign, srcPhysId);