diff --git a/pandas/src/msgpack/unpack_template.h b/pandas/src/msgpack/unpack_template.h
index 95af6735520fc..fba372ddcb3e4 100644
--- a/pandas/src/msgpack/unpack_template.h
+++ b/pandas/src/msgpack/unpack_template.h
@@ -17,7 +17,7 @@
  */
 
 #ifndef USE_CASE_RANGE
-#if !defined(_MSC_VER)
+#ifdef __GNUC__
 #define USE_CASE_RANGE
 #endif
 #endif