1 files changed, 1 insertions, 0 deletions
diff --git a/src/nvim/spell.c b/src/nvim/spell.c
index a06928762f..55e86d1339 100644
--- a/src/nvim/spell.c
+++ b/src/nvim/spell.c
@@ -284,6 +284,7 @@
 //                          stored as an offset to the previous number in as
 //                          few bytes as possible, see offset2bytes())
 
+#include <errno.h>
 #include <inttypes.h>
 #include <string.h>
 #include <stdlib.h>