diff --git a/Utilities/Thread.cpp b/Utilities/Thread.cpp
index a4378973e3..a565f03da0 100644
--- a/Utilities/Thread.cpp
+++ b/Utilities/Thread.cpp
@@ -277,7 +277,7 @@ void _se_translator(unsigned int u, EXCEPTION_POINTERS* pExp)
 
 #else
 
-static const auto reg_table[16] =
+static const typename decltype(REG_RIP) reg_table[16] =
 {
 	REG_RAX, REG_RCX, REG_RDX, REG_RBX, REG_RSP, REG_RBP, REG_RSI, REG_RDI,
 	REG_R8, REG_R9, REG_R10, REG_R11, REG_R12, REG_R13, REG_R14, REG_R15