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-rw-r--r--lib/std/testing.zig2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/std/testing.zig b/lib/std/testing.zig
index af0074a549..72f3ba2d9e 100644
--- a/lib/std/testing.zig
+++ b/lib/std/testing.zig
@@ -312,7 +312,7 @@ pub fn expectEqualSlices(comptime T: type, expected: []const T, actual: []const
const actual_window = actual[window_start..@min(actual.len, window_start + max_window_size)];
const actual_truncated = window_start + actual_window.len < actual.len;
- const ttyconf = std.debug.detectTTYConfig();
+ const ttyconf = std.debug.detectTTYConfig(std.io.getStdErr());
var differ = if (T == u8) BytesDiffer{
.expected = expected_window,
.actual = actual_window,