diff --git a/include/fmt/format-inl.h b/include/fmt/format-inl.h
index 93b7a907..4be6c1c3 100644
--- a/include/fmt/format-inl.h
+++ b/include/fmt/format-inl.h
@@ -10,6 +10,7 @@
 
 #include <algorithm>
 #include <cctype>
+#include <cerrno>  // errno
 #include <climits>
 #include <cmath>
 #include <cstdarg>
diff --git a/include/fmt/format.h b/include/fmt/format.h
index e67c22aa..47231f11 100644
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -33,9 +33,8 @@
 #ifndef FMT_FORMAT_H_
 #define FMT_FORMAT_H_
 
-#include <cerrno>  // errno
-#include <cmath>   // std::signbit
-#include <cstdint>
+#include <cmath>         // std::signbit
+#include <cstdint>       // uint32_t
 #include <limits>        // std::numeric_limits
 #include <memory>        // std::uninitialized_copy
 #include <stdexcept>     // std::runtime_error