diff --git a/main/dial.c b/main/dial.c
index ffa4405461..95a2499a66 100644
--- a/main/dial.c
+++ b/main/dial.c
@@ -292,7 +292,6 @@ int ast_dial_append(struct ast_dial *dial, const char *tech, const char *device,
 /*! \brief Helper function that requests all channels */
 static int begin_dial_prerun(struct ast_dial_channel *channel, struct ast_channel *chan, struct ast_format_cap *cap, const char *predial_string)
 {
-	char numsubst[AST_MAX_EXTENSION];
 	struct ast_format_cap *cap_all_audio = NULL;
 	struct ast_format_cap *cap_request;
 	struct ast_format_cap *requester_cap = NULL;
@@ -315,9 +314,6 @@ static int begin_dial_prerun(struct ast_dial_channel *channel, struct ast_channe
 		}
 	}
 
-	/* Copy device string over */
-	ast_copy_string(numsubst, channel->device, sizeof(numsubst));
-
 	if (cap && ast_format_cap_count(cap)) {
 		cap_request = cap;
 	} else if (requester_cap) {
@@ -329,7 +325,7 @@ static int begin_dial_prerun(struct ast_dial_channel *channel, struct ast_channe
 	}
 
 	/* If we fail to create our owner channel bail out */
-	if (!(channel->owner = ast_request(channel->tech, cap_request, &assignedids, chan, numsubst, &channel->cause))) {
+	if (!(channel->owner = ast_request(channel->tech, cap_request, &assignedids, chan, channel->device, &channel->cause))) {
 		ao2_cleanup(cap_all_audio);
 		return -1;
 	}
@@ -413,7 +409,6 @@ int ast_dial_prerun(struct ast_dial *dial, struct ast_channel *chan, struct ast_
 /*! \brief Helper function that does the beginning dialing per-appended channel */
 static int begin_dial_channel(struct ast_dial_channel *channel, struct ast_channel *chan, int async, const char *predial_string, struct ast_channel *forwarder_chan)
 {
-	char numsubst[AST_MAX_EXTENSION];
 	int res = 1;
 	char forwarder[AST_CHANNEL_NAME];
 
@@ -429,11 +424,8 @@ static int begin_dial_channel(struct ast_dial_channel *channel, struct ast_chann
 		ast_channel_unlock(channel->owner);
 	}
 
-	/* Copy device string over */
-	ast_copy_string(numsubst, channel->device, sizeof(numsubst));
-
 	/* Attempt to actually call this device */
-	if ((res = ast_call(channel->owner, numsubst, 0))) {
+	if ((res = ast_call(channel->owner, channel->device, 0))) {
 		res = 0;
 		ast_hangup(channel->owner);
 		channel->owner = NULL;
@@ -443,7 +435,7 @@ static int begin_dial_channel(struct ast_dial_channel *channel, struct ast_chann
 		}
 		ast_channel_publish_dial(async ? NULL : chan, channel->owner, channel->device, NULL);
 		res = 1;
-		ast_verb(3, "Called %s\n", numsubst);
+		ast_verb(3, "Called %s\n", channel->device);
 	}
 
 	return res;