diff --git a/apps/app_speech_utils.c b/apps/app_speech_utils.c
index cf559c453b..e45459166c 100644
--- a/apps/app_speech_utils.c
+++ b/apps/app_speech_utils.c
@@ -722,7 +722,6 @@ static int speech_background(struct ast_channel *chan, void *data)
                         /* Free the frame we received */
                         switch (f->frametype) {
                         case AST_FRAME_DTMF:
-				ast_speech_dtmf(speech, f->subclass);
 				if (dtmf_terminator != '\0' && f->subclass == dtmf_terminator) {
 					done = 1;
 				} else {
@@ -762,6 +761,7 @@ static int speech_background(struct ast_channel *chan, void *data)
 		/* We sort of make a results entry */
 		speech->results = ast_calloc(1, sizeof(*speech->results));
 		if (speech->results != NULL) {
+			ast_speech_dtmf(speech, dtmf);
 			speech->results->score = 1000;
 			speech->results->text = strdup(dtmf);
 			speech->results->grammar = strdup("dtmf");
diff --git a/include/asterisk/speech.h b/include/asterisk/speech.h
index 85a3514851..6e6432342b 100644
--- a/include/asterisk/speech.h
+++ b/include/asterisk/speech.h
@@ -84,7 +84,7 @@ struct ast_speech_engine {
 	/*! Write audio to the speech engine */
 	int (*write)(struct ast_speech *speech, void *data, int len);
 	/*! Signal DTMF was received */
-	int (*dtmf)(struct ast_speech *speech, char dtmf);
+	int (*dtmf)(struct ast_speech *speech, const char *dtmf);
 	/*! Prepare engine to accept audio */
 	int (*start)(struct ast_speech *speech);
 	/*! Change an engine specific setting */
@@ -133,7 +133,7 @@ int ast_speech_destroy(struct ast_speech *speech);
 /*! \brief Write audio to the speech engine */
 int ast_speech_write(struct ast_speech *speech, void *data, int len);
 /*! \brief Signal to the engine that DTMF was received */
-int ast_speech_dtmf(struct ast_speech *speech, char dtmf);
+int ast_speech_dtmf(struct ast_speech *speech, const char *dtmf);
 /*! \brief Change an engine specific attribute */
 int ast_speech_change(struct ast_speech *speech, char *name, const char *value);
 /*! \brief Change the type of results we want */
diff --git a/res/res_speech.c b/res/res_speech.c
index 5b8f3569c2..bab784f161 100644
--- a/res/res_speech.c
+++ b/res/res_speech.c
@@ -194,7 +194,7 @@ int ast_speech_write(struct ast_speech *speech, void *data, int len)
 }
 
 /*! \brief Signal to the engine that DTMF was received */
-int ast_speech_dtmf(struct ast_speech *speech, char dtmf)
+int ast_speech_dtmf(struct ast_speech *speech, const char *dtmf)
 {
 	int res = 0;