diff --git a/criu/fsnotify.c b/criu/fsnotify.c
index 73dae3938..001f006bb 100644
--- a/criu/fsnotify.c
+++ b/criu/fsnotify.c
@@ -203,7 +203,7 @@ static int open_handle(unsigned int s_dev, unsigned long i_ino,
 
 	decode_handle(&handle, f_handle);
 
-	pr_debug("Opening fhandle %x:%Lx...\n",
+	pr_debug("Opening fhandle %x:%llx...\n",
 			s_dev, (unsigned long long)handle.__handle[0]);
 
 	for (m = mntinfo; m; m = m->next) {
diff --git a/criu/proc_parse.c b/criu/proc_parse.c
index 79af2e36f..5e1f8529d 100644
--- a/criu/proc_parse.c
+++ b/criu/proc_parse.c
@@ -1782,7 +1782,7 @@ static int parse_fdinfo_pid_s(int pid, int fd, int type, void *arg)
 
 			if (type != FD_TYPES__SIGNALFD)
 				goto parse_err;
-			ret = sscanf(str, "sigmask: %Lx",
+			ret = sscanf(str, "sigmask: %llx",
 					(unsigned long long *)&sfd->sigmask);
 			if (ret != 1)
 				goto parse_err;
diff --git a/criu/signalfd.c b/criu/signalfd.c
index bd117a3e0..1bb87d08c 100644
--- a/criu/signalfd.c
+++ b/criu/signalfd.c
@@ -52,7 +52,7 @@ static void sigset_fill(sigset_t *to, unsigned long long from)
 {
 	int sig;
 
-	pr_info("\tCalculating sigmask for %Lx\n", from);
+	pr_info("\tCalculating sigmask for %llx\n", from);
 	sigemptyset(to);
 	for (sig = 1; sig < NSIG; sig++)
 		if (from & (1ULL << (sig - 1))) {
diff --git a/criu/uffd.c b/criu/uffd.c
index 114118098..4a62ab4c1 100644
--- a/criu/uffd.c
+++ b/criu/uffd.c
@@ -1031,7 +1031,7 @@ static int handle_remove(struct lazy_pages_info *lpi, struct uffd_msg *msg)
 	unreg.start = msg->arg.remove.start;
 	unreg.len = msg->arg.remove.end - msg->arg.remove.start;
 
-	lp_debug(lpi, "%s: %Lx(%Lx)\n",
+	lp_debug(lpi, "%s: %llx(%llx)\n",
 		 msg->event == UFFD_EVENT_REMOVE ? "REMOVE" : "UNMAP",
 		 unreg.start, unreg.len);