1 files changed, 2 insertions, 1 deletions

diff --git a/dev/ideviceheartbeat.c b/dev/ideviceheartbeat.c
index fe2cdf3..c92ff90 100644
--- a/dev/ideviceheartbeat.c
+++ b/dev/ideviceheartbeat.c
@@ -21,6 +21,7 @@
 
 #include <stdio.h>
 #include <string.h>
+#include <inttypes.h>
 #include <signal.h>
 #include <stdlib.h>
 
@@ -129,7 +130,7 @@ int main(int argc, char *argv[])
                                 plist_get_uint_val(node, &interval);
                         }
 
-                        printf("> marco: supports_sleepy_time %d, interval %llu\n", b, interval);
+                        printf("> marco: supports_sleepy_time %d, interval %"PRIu64"\n", b, interval);
 
                         plist_free(message);
                         message = NULL;