diff --git a/fastbootd/commands/partitions.c b/fastbootd/commands/partitions.c
index f2c9da7..3b27959 100644
--- a/fastbootd/commands/partitions.c
+++ b/fastbootd/commands/partitions.c
@@ -31,6 +31,7 @@
 
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <errno.h>
 #include <fcntl.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
diff --git a/fastbootd/config.c b/fastbootd/config.c
index fe6da69..012a197 100644
--- a/fastbootd/config.c
+++ b/fastbootd/config.c
@@ -29,6 +29,7 @@
  * SUCH DAMAGE.
  */
 
+#include <errno.h>
 #include <fcntl.h>
 #include <string.h>
 #include <unistd.h>
diff --git a/fastbootd/transport.c b/fastbootd/transport.c
index 9a16fd7..232c999 100644
--- a/fastbootd/transport.c
+++ b/fastbootd/transport.c
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include <errno.h>
 #include <pthread.h>
 #include <stddef.h>
 #include <stdio.h>
diff --git a/fastbootd/usb_linux_client.c b/fastbootd/usb_linux_client.c
index 2c678b9..beaafc3 100644
--- a/fastbootd/usb_linux_client.c
+++ b/fastbootd/usb_linux_client.c
@@ -15,6 +15,7 @@
  */
 
 #include <endian.h>
+#include <errno.h>
 #include <fcntl.h>
 #include <pthread.h>
 #include <stdio.h>
diff --git a/fastbootd/utils.c b/fastbootd/utils.c
index bef2463..a9ab47e 100644
--- a/fastbootd/utils.c
+++ b/fastbootd/utils.c
@@ -28,6 +28,7 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
+#include <errno.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>