diff --git a/src/console/ptyc_console_writer.c b/src/console/ptyc_console_writer.c
index 8621515..699d0fb 100644
--- a/src/console/ptyc_console_writer.c
+++ b/src/console/ptyc_console_writer.c
@@ -69,7 +69,7 @@ int __stdcall ptyc_console_writer(struct ptyc_driver_ctx_impl * ictx)
 
 		/* account for leftover bytes from the previous conversion */
 		tctx->data.in[0]		= uc_params.leftover_bytes;
-		uc_params.src			= inbuf - uc_params.leftover_bytes;
+		uc_params.src			= inbuf - uc_params.leftover_count;
 		uc_params.src_size_in_bytes	= iosb.info + uc_params.leftover_count;
 		uc_params.dst			= tctx->data.out;