diff --git a/lib/log/log.c b/lib/log/log.c
index 6dc269675..b654737f1 100644
--- a/lib/log/log.c
+++ b/lib/log/log.c
@@ -515,7 +515,7 @@ static void _set_time_prefix(char *prefix, int buflen)
 	if (!len)
 		goto fail;
 
-	len = dm_snprintf(prefix + len, buflen - len, ".%06ld ", ts.tv_nsec/1000);
+	len = dm_snprintf(prefix + len, buflen - len, ".%06d ", (int)ts.tv_nsec/1000);
 	if (len < 0)
 		goto fail;
 
diff --git a/lib/metadata/vdo_manip.c b/lib/metadata/vdo_manip.c
index 90f53c946..062084450 100644
--- a/lib/metadata/vdo_manip.c
+++ b/lib/metadata/vdo_manip.c
@@ -522,9 +522,9 @@ static int _get_sysinfo_memory(uint64_t *total_mb, uint64_t *available_mb)
 	if (sysinfo(&si) != 0)
 		return 0;
 
-	log_debug("Sysinfo free:%lu  bufferram:%lu  sharedram:%lu  freehigh:%lu  unit:%u.",
-		  si.freeram >> 20, si.bufferram >> 20, si.sharedram >> 20,
-		  si.freehigh >> 20, si.mem_unit);
+	log_debug("Sysinfo free:%llu  bufferram:%llu  sharedram:%llu  freehigh:%llu  unit:%u.",
+		  (unsigned long long)si.freeram >> 20, (unsigned long long)si.bufferram >> 20, (unsigned long long)si.sharedram >> 20,
+		  (unsigned long long)si.freehigh >> 20, si.mem_unit);
 
 	*available_mb = ((uint64_t)(si.freeram + si.bufferram) * si.mem_unit) >> 30;
 	*total_mb = si.totalram >> 30;