diff --git a/MString.cpp b/MString.cpp
index 7e03bac..52a800c 100644
--- a/MString.cpp
+++ b/MString.cpp
@@ -3,6 +3,7 @@
 #include "uuid/uuid.h"
 #include <cstring>
 #include <string>
+#include <format>
 #include <iomanip>
 #include <stdlib.h>
 
@@ -83,10 +84,12 @@ namespace coreutils {
    }
 
    MString::MString(double value) {
-      std::string data = std::to_string(value);
-      setSize(data.length());
-      memcpy(this->data, (char *)data.c_str(), data.length());
-      cursor = this->data;      
+      std::stringstream temp;
+      temp << std::format("{}", value);
+      std::string temp2 = temp.str();
+      setSize(temp2.length());
+      memcpy(this->data, (char *)temp2.data(), temp2.length());
+      cursor = this->data;
    }
    
    MString::~MString() {
@@ -130,9 +133,11 @@ namespace coreutils {
    }
 
    MString &MString::operator=(double value) {
-      std::string data = std::to_string(value);
-      setSize(data.length());
-      memcpy(this->data, (char *)data.c_str(), data.length());
+      std::stringstream temp;
+      temp << std::format("{}", value);
+      std::string temp2 = temp.str();
+      setSize(temp2.length());
+      memcpy(this->data, (char *)temp2.data(), temp2.length());
       cursor = this->data;
       return *this;
    }
diff --git a/compile b/compile
index 93380a0..12ab0a6 100755
--- a/compile
+++ b/compile
@@ -5,7 +5,7 @@ do
    filename="${file%.*}"
    list="$list $filename.o"
    echo -n "Compiling $filename..."
-   g++ -g -c $file -std=c++17 &
+   g++ -g -c $file -std=c++20 &
    if [ $? = '0' ]
    then
     echo "OK"
diff --git a/testing/mstring_test b/testing/mstring_test
index 83b1d3e..2a8f6aa 100755
Binary files a/testing/mstring_test and b/testing/mstring_test differ
diff --git a/testing/zstring_test b/testing/zstring_test
index ed824d1..f39d332 100755
Binary files a/testing/zstring_test and b/testing/zstring_test differ