diff --git a/jackd/engine.c b/jackd/engine.c
index 2ff79a0..b7713ae 100644
--- a/jackd/engine.c
+++ b/jackd/engine.c
@@ -35,6 +35,7 @@
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdarg.h>
+#include <stdint.h>
 #include <dirent.h>
 #include <sys/ipc.h>
 #include <signal.h>
diff --git a/libjack/client.c b/libjack/client.c
index 0b68e48..4b1cecc 100644
--- a/libjack/client.c
+++ b/libjack/client.c
@@ -37,6 +37,7 @@
 
 #include <stdarg.h>
 #include <stdio.h>
+#include <stdint.h>
 #include <regex.h>
 #include <math.h>