diff --git a/src/log.c b/src/log.c
index 4eca7c7..8966457 100644
--- a/src/log.c
+++ b/src/log.c
@@ -23,6 +23,7 @@
 
 #include <sys/time.h>
 #include <libgen.h>
+#include <errno.h>
 #include "print.h"
 #include "fs.h"
 
diff --git a/src/misc.c b/src/misc.c
index ef08fb3..67492ce 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -26,6 +26,7 @@
 #include <sys/wait.h>
 #include <fnmatch.h>
 #include <regex.h>
+#include <errno.h>
 #include "print.h"
 
 void delay(long ms)
diff --git a/src/options.c b/src/options.c
index 234e3e2..4989f20 100644
--- a/src/options.c
+++ b/src/options.c
@@ -22,6 +22,7 @@
 #include <assert.h>
 #include <regex.h>
 #include <getopt.h>
+#include <errno.h>
 #include "config.h"
 #include "misc.h"
 #include "print.h"