1 files changed, 1 insertions, 0 deletions
diff --git a/action.c b/action.c
index d63a10bf..2b58d867 100644
--- a/action.c
+++ b/action.c
@@ -19,6 +19,7 @@
 #include <sys/utsname.h>
 
 #include <assert.h>
+#include <err.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>