diff --git a/Source/ThirdParty/concurrentqueue.h b/Source/ThirdParty/concurrentqueue.h
index 82f0d1d59..84773c38a 100644
--- a/Source/ThirdParty/concurrentqueue.h
+++ b/Source/ThirdParty/concurrentqueue.h
@@ -61,10 +61,10 @@
 #endif
 #include <stdint.h>
 #include <stdlib.h>
-//#include <array>
 #include <type_traits>
 #include <utility>
 #include <limits>
+#include <limits.h>
 
 // Platform-specific definitions of a numeric thread ID type and an invalid value
 namespace moodycamel { namespace details {
diff --git a/Source/ThirdParty/fmt/format-inl.h b/Source/ThirdParty/fmt/format-inl.h
index 092afc77f..1a9868f7e 100644
--- a/Source/ThirdParty/fmt/format-inl.h
+++ b/Source/ThirdParty/fmt/format-inl.h
@@ -303,11 +303,13 @@ class fp {
 
   // All sizes are in bits.
   static FMT_CONSTEXPR_DECL const int char_size =
-    std::numeric_limits<unsigned char>::digits;
+    8;
+    //std::numeric_limits<unsigned char>::digits;
   // Subtract 1 to account for an implicit most significant bit in the
   // normalized form.
   static FMT_CONSTEXPR_DECL const int double_significand_size =
-    std::numeric_limits<double>::digits - 1;
+    52 - 1;
+    //std::numeric_limits<double>::digits - 1;
   static FMT_CONSTEXPR_DECL const uint64_t implicit_bit =
     1ull << double_significand_size;