diff --git a/extras/rapidfuzz_amalgamated.hpp b/extras/rapidfuzz_amalgamated.hpp
index fc142bbe..c744cfb7 100644
--- a/extras/rapidfuzz_amalgamated.hpp
+++ b/extras/rapidfuzz_amalgamated.hpp
@@ -447,7 +447,9 @@ struct ShiftedBitMatrix {
 #    define RAPIDFUZZ_IF_CONSTEXPR if
 #endif
 
-#if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201402L) || __cplusplus >= 201402L)
+#if defined(_MSC_VER) && !defined(__clang__) && _MSC_VER < 1910
+#    define RAPIDFUZZ_CONSTEXPR_CXX14 inline
+#elif ((defined(_MSVC_LANG) && _MSVC_LANG >= 201402L) || __cplusplus >= 201402L)
 #    define RAPIDFUZZ_CONSTEXPR_CXX14 constexpr
 #else
 #    define RAPIDFUZZ_CONSTEXPR_CXX14 inline
diff --git a/rapidfuzz/details/config.hpp b/rapidfuzz/details/config.hpp
index b17c4aac..175d8f6d 100644
--- a/rapidfuzz/details/config.hpp
+++ b/rapidfuzz/details/config.hpp
@@ -23,7 +23,9 @@
 #    define RAPIDFUZZ_IF_CONSTEXPR if
 #endif
 
-#if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201402L) || __cplusplus >= 201402L)
+#if defined(_MSC_VER) && !defined(__clang__) && _MSC_VER < 1910
+#    define RAPIDFUZZ_CONSTEXPR_CXX14 inline
+#elif ((defined(_MSVC_LANG) && _MSVC_LANG >= 201402L) || __cplusplus >= 201402L)
 #    define RAPIDFUZZ_CONSTEXPR_CXX14 constexpr
 #else
 #    define RAPIDFUZZ_CONSTEXPR_CXX14 inline