diff --git a/.gitignore b/.gitignore
index 2635026a69db..7485ad924f9c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 *.xcodeproj
 *~
 .vscode/
+.cache/
 /CMakeScripts
 /Testing
 /_CPack_Packages
diff --git a/include/fmt/base.h b/include/fmt/base.h
index 9eeeb2ce7c53..551a6b86ff56 100644
--- a/include/fmt/base.h
+++ b/include/fmt/base.h
@@ -537,7 +537,7 @@ template <typename Char> class basic_string_view {
   FMT_ALWAYS_INLINE
 #endif
   FMT_CONSTEXPR20 basic_string_view(const Char* s) : data_(s) {
-#if FMT_HAS_BUILTIN(__buitin_strlen) || FMT_GCC_VERSION || FMT_CLANG_VERSION
+#if FMT_HAS_BUILTIN(__builtin_strlen) || FMT_GCC_VERSION || FMT_CLANG_VERSION
     if (std::is_same<Char, char>::value) {
       size_ = __builtin_strlen(detail::narrow(s));
       return;