diff --git a/include/boost/charconv/detail/config.hpp b/include/boost/charconv/detail/config.hpp
index b2688d8..92b92f1 100644
--- a/include/boost/charconv/detail/config.hpp
+++ b/include/boost/charconv/detail/config.hpp
@@ -102,4 +102,11 @@ static_assert((BOOST_CHARCONV_ENDIAN_BIG_BYTE || BOOST_CHARCONV_ENDIAN_LITTLE_BY
     #define BOOST_CHARCONV_HAS_BUILTIN(x) false
 #endif
 
+// Workaround for errors in MSVC 14.3 with gotos in if constexpr blocks
+#if defined(_MSC_VER) && _MSC_VER == 1933
+#  define BOOST_CHARCONV_IF_CONSTEXPR if 
+#else
+#  define BOOST_CHARCONV_IF_CONSTEXPR BOOST_IF_CONSTEXPR 
+#endif
+
 #endif // BOOST_CHARCONV_DETAIL_CONFIG_HPP
diff --git a/include/boost/charconv/detail/floff.hpp b/include/boost/charconv/detail/floff.hpp
index 72a7b4a..a3eff79 100644
--- a/include/boost/charconv/detail/floff.hpp
+++ b/include/boost/charconv/detail/floff.hpp
@@ -3065,7 +3065,7 @@ namespace jkj { namespace floff {
                 fixed_point_calculator<ExtendedCache::max_cache_blocks>::discard_upper(
                     significand, blocks, cache_block_count);
 
-                BOOST_IF_CONSTEXPR (ExtendedCache::segment_length == 22) {
+                BOOST_CHARCONV_IF_CONSTEXPR (ExtendedCache::segment_length == 22) {
                     // No rounding, continue.
                     if (remaining_digits > digits_in_the_second_segment) {
                         remaining_digits -= digits_in_the_second_segment;
@@ -3792,7 +3792,7 @@ namespace jkj { namespace floff {
                     }
                 } // ExtendedCache::segment_length == 22
 
-                else BOOST_IF_CONSTEXPR (ExtendedCache::segment_length == 252) {
+                else BOOST_CHARCONV_IF_CONSTEXPR (ExtendedCache::segment_length == 252) {
                     int overlapping_digits = 252 - digits_in_the_second_segment;
                     int remaining_subsegment_pairs = 14;
 
@@ -4217,7 +4217,7 @@ case n:
                 fixed_point_calculator<ExtendedCache::max_cache_blocks>::discard_upper(
                     significand, blocks, cache_block_count);
 
-                BOOST_IF_CONSTEXPR (ExtendedCache::segment_length == 22) {
+                BOOST_CHARCONV_IF_CONSTEXPR (ExtendedCache::segment_length == 22) {
                     // When at least two subsegments left.
                     if (remaining_digits > 16) {
                         std::uint64_t first_second_subsegments =