diff --git a/lib/std/os.zig b/lib/std/os.zig
index 36a54adde97c..1bf0e292157e 100644
--- a/lib/std/os.zig
+++ b/lib/std/os.zig
@@ -3199,8 +3199,16 @@ pub fn isatty(handle: fd_t) bool {
         if (isCygwinPty(handle))
             return true;
 
-        var out: windows.DWORD = undefined;
-        return windows.kernel32.GetConsoleMode(handle, &out) != 0;
+        // Support for ANSI escapes sequences was added to Windows 10 1511
+        // on 2016.
+        // See https://learn.microsoft.com/en-us/windows/console/console-virtual-terminal-sequences.
+        const ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x0004;
+
+        var mode: windows.DWORD = undefined;
+        if (windows.kernel32.GetConsoleMode(handle, &mode) == 0) return false;
+
+        mode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;
+        return windows.kernel32.SetConsoleMode(handle, mode) != 0;
     }
     if (builtin.link_libc) {
         return system.isatty(handle) != 0;
diff --git a/lib/std/os/windows/kernel32.zig b/lib/std/os/windows/kernel32.zig
index 942d7ddba791..0167959f95df 100644
--- a/lib/std/os/windows/kernel32.zig
+++ b/lib/std/os/windows/kernel32.zig
@@ -320,6 +320,8 @@ pub extern "kernel32" fn RtlVirtualUnwind(
     ContextPointers: ?*KNONVOLATILE_CONTEXT_POINTERS,
 ) callconv(WINAPI) *EXCEPTION_ROUTINE;
 
+pub extern "kernel32" fn SetConsoleMode(in_hConsoleHandle: HANDLE, in_Mode: DWORD) callconv(WINAPI) BOOL;
+
 pub extern "kernel32" fn SetConsoleTextAttribute(hConsoleOutput: HANDLE, wAttributes: WORD) callconv(WINAPI) BOOL;
 
 pub extern "kernel32" fn SetConsoleCtrlHandler(