diff --git a/docs/ACKNOWLEDGEMENTS.md b/docs/ACKNOWLEDGEMENTS.md
index 951527c..18de96d 100644
--- a/docs/ACKNOWLEDGEMENTS.md
+++ b/docs/ACKNOWLEDGEMENTS.md
@@ -113,6 +113,7 @@ is acknowledged and greatly appreciated:
  * [njt](https://codeberg.org/njt) - suggested that "**--size** @*PATH*" should accept directories ([#179](https://codeberg.org/ivarch/pv/issues/179))
  * [mojohakase](https://codeberg.org/mojohakase) - provided fix for multiplication bug when combining "**--bits**" with "**--gauge**" ([#182](https://codeberg.org/ivarch/pv/issues/182))
  * [heitbaum](https://codeberg.org/heitbaum) - fixed GCC warning when using glibc 2.43 ([#180](https://codeberg.org/ivarch/pv/pulls/180))
+ * [haarp](https://codeberg.org/haarp) - reported that control-C writes "^C" over the progress, and suggested a fix ([#187](https://codeberg.org/ivarch/pv/issues/187))
 
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