diff --git a/core/ustring.cpp b/core/ustring.cpp
index 7850c6774c2..0f82ca7e157 100644
--- a/core/ustring.cpp
+++ b/core/ustring.cpp
@@ -1338,13 +1338,13 @@ String String::num_scientific(double p_num) {
 
 #if defined(__GNUC__) || defined(_MSC_VER)
 
-#if (defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER < 1900)) && defined(_TWO_DIGIT_EXPONENT)
+#if (defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER < 1900)) && defined(_TWO_DIGIT_EXPONENT) && !defined(_UCRT)
 	// MinGW and old MSC require _set_output_format() to conform to C99 output for printf
 	unsigned int old_exponent_format = _set_output_format(_TWO_DIGIT_EXPONENT);
 #endif
 	snprintf(buf, 256, "%lg", p_num);
 
-#if (defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER < 1900)) && defined(_TWO_DIGIT_EXPONENT)
+#if (defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER < 1900)) && defined(_TWO_DIGIT_EXPONENT) && !defined(_UCRT)
 	_set_output_format(old_exponent_format);
 #endif