1 files changed, 2 insertions, 1 deletions
diff --git a/src/nvim/api/buffer.c b/src/nvim/api/buffer.c
index ef2f9e9d0e..c8a8240fee 100644
--- a/src/nvim/api/buffer.c
+++ b/src/nvim/api/buffer.c
@@ -217,7 +217,8 @@ void buffer_set_slice(Buffer buffer,
       goto end;
     }
 
-    // Same as with replacing
+    // Same as with replacing, but we also need to free lines
+    free(lines[i]);
     lines[i] = NULL;
     extra++;
   }