1 files changed, 1 insertions, 0 deletions
diff --git a/src/tag.c b/src/tag.c
index 7154990ff4..2d0ad43008 100644
--- a/src/tag.c
+++ b/src/tag.c
@@ -41,6 +41,7 @@
 #include "term.h"
 #include "ui.h"
 #include "window.h"
+#include "os/os.h"
 
 /*
  * Structure to hold pointers to various items in a tag line.