diff -urNp -x '*.orig' brltty-6.1.org/Drivers/Speech/SpeechDispatcher/speech.c brltty-6.1/Drivers/Speech/SpeechDispatcher/speech.c
--- brltty-6.1.org/Drivers/Speech/SpeechDispatcher/speech.c	2020-04-05 12:35:34.000000000 +0200
+++ brltty-6.1/Drivers/Speech/SpeechDispatcher/speech.c	2021-03-02 22:36:22.260141892 +0100
@@ -34,7 +34,7 @@ typedef enum {
 
 #include "spk_driver.h"
 
-#include <libspeechd.h>
+#include <speech-dispatcher/libspeechd.h>
 
 static SPDConnection *connectionHandle = NULL;
 static const char *moduleName;
diff -urNp -x '*.orig' brltty-6.1.org/configure.ac brltty-6.1/configure.ac
--- brltty-6.1.org/configure.ac	2020-04-06 10:12:58.000000000 +0200
+++ brltty-6.1/configure.ac	2021-03-02 22:36:22.260141892 +0100
@@ -1847,7 +1847,7 @@ BRLTTY_ARG_DISABLE(
       ])
    ])
 
-   BRLTTY_IF_PACKAGE([speech-dispatcher], [speechd], [include/libspeechd.h], [dnl
+   BRLTTY_IF_PACKAGE([speech-dispatcher], [speechd], [include/speech-dispatcher/libspeechd.h], [dnl
       BRLTTY_SPEECH_DRIVER([sd], [SpeechDispatcher])
    ], [include], [lib], [speechd])