diff --git a/audio/praat/files/patch-dwsys_NUMsort2.cpp b/audio/praat/files/patch-dwsys_NUMsort2.cpp
new file mode 100644
index 000000000000..bc25fd3db2b3
--- /dev/null
+++ b/audio/praat/files/patch-dwsys_NUMsort2.cpp
@@ -0,0 +1,11 @@
+--- dwsys/NUMsort2.cpp.orig	2022-10-10 21:25:25 UTC
++++ dwsys/NUMsort2.cpp
+@@ -239,7 +239,7 @@ void VECsort3_inplace (VEC const& a, INTVEC const& iv1
+ 		iv2 [j] = itmp [index [j]];
+ }
+ 
+-autoINTMAT sortRows_INTMAT (constINTMAT mat, integer icol) { // TODO test me
++void sortRows_INTMAT (constINTMAT mat, integer icol) { // TODO test me
+ 	try {
+ 		Melder_require (icol > 0 && icol <= mat.ncol,
+ 			U"The column index is not valid.");