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-rw-r--r--src/buffer_utils.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/buffer_utils.cc b/src/buffer_utils.cc
index 9f8f8860..c6795fe1 100644
--- a/src/buffer_utils.cc
+++ b/src/buffer_utils.cc
@@ -119,6 +119,8 @@ Buffer* create_fifo_buffer(String name, int fd, bool scroll)
if (mode != EventMode::Normal)
return;
+ kak_assert(buffer->flags() & Buffer::Flags::Fifo);
+
constexpr size_t buffer_size = 2048;
// if we read data slower than it arrives in the fifo, limiting the
// iteration number allows us to go back go back to the event loop and