1 files changed, 2 insertions, 0 deletions
diff --git a/stubdom/c/main.c b/stubdom/c/main.c
index 12288a6292..f97a0f72d4 100644
--- a/stubdom/c/main.c
+++ b/stubdom/c/main.c
@@ -1,4 +1,6 @@
 #include <stdio.h>
+#include <unistd.h>
+
 int main(void) {
         sleep(2);
         printf("Hello, world!\n");