diff --git a/uncrypt/uncrypt.c b/uncrypt/uncrypt.c
index 189fa57..e619237 100644
--- a/uncrypt/uncrypt.c
+++ b/uncrypt/uncrypt.c
@@ -39,6 +39,7 @@
 // Recovery can take this block map file and retrieve the underlying
 // file data to use as an update package.
 
+#include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
diff --git a/verifier_test.cpp b/verifier_test.cpp
index 10a5dda..e2f3d10 100644
--- a/verifier_test.cpp
+++ b/verifier_test.cpp
@@ -14,12 +14,13 @@
  * limitations under the License.
  */
 
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <stdarg.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-#include <fcntl.h>
 
 #include "common.h"
 #include "verifier.h"