diff --git a/src/nvim/os/time.h b/src/nvim/os/time.h
index 8c73fc0c3b..b21808307f 100644
--- a/src/nvim/os/time.h
+++ b/src/nvim/os/time.h
@@ -3,6 +3,7 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#include <time.h>
 
 #ifdef INCLUDE_GENERATED_DECLARATIONS
 # include "os/time.h.generated.h"