diff --git a/src/lib/openjp2/ht_dec.c b/src/lib/openjp2/ht_dec.c
index 1ac1495b4..e648ab0e4 100644
--- a/src/lib/openjp2/ht_dec.c
+++ b/src/lib/openjp2/ht_dec.c
@@ -76,8 +76,8 @@ OPJ_UINT32 population_count(OPJ_UINT32 val)
 #if defined(OPJ_COMPILER_MSVC) && (defined(_M_IX86) || defined(_M_AMD64))
     return (OPJ_UINT32)__popcnt(val);
 #elif defined(OPJ_COMPILER_MSVC) && defined(_M_ARM64)
-    const __n64 _Temp = neon_cnt(__uint64ToN64_v(val));
-    return neon_addv8(_Temp).n8_i8[0];
+    const __n64 temp = neon_cnt(__uint64ToN64_v(val));
+    return neon_addv8(temp).n8_i8[0];
 #elif (defined OPJ_COMPILER_GNUC)
     return (OPJ_UINT32)__builtin_popcount(val);
 #else