diff --git a/docs/changes.txt b/docs/changes.txt
index c56c914977..65a709bcf4 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -598,6 +598,7 @@ wxMSW:
 wxOSX:
 
 - Improve handling of keyboard entry using IME (minoki).
+- Fix capturing non-ASCII output using wxExecute().
 - Fix column sorting UI in wxDataViewCtrl (Myrsloik).
 
 
diff --git a/src/common/utilscmn.cpp b/src/common/utilscmn.cpp
index 6c597072a9..b70f18f5a2 100644
--- a/src/common/utilscmn.cpp
+++ b/src/common/utilscmn.cpp
@@ -630,7 +630,10 @@ static bool ReadAll(wxInputStream *is, wxArrayString& output)
     // the stream could be already at EOF or in wxSTREAM_BROKEN_PIPE state
     is->Reset();
 
-    wxTextInputStream tis(*is);
+    // Notice that wxTextInputStream doesn't work correctly with wxConvAuto
+    // currently, see #14720, so use the current locale conversion explicitly
+    // under assumption that any external program should be using it too.
+    wxTextInputStream tis(*is, " \t", wxConvLibc);
 
     for ( ;; )
     {