1 files changed, 2 insertions, 1 deletions
diff --git a/gpsrinex.c b/gpsrinex.c
index 8955a056..6de3f68f 100644
--- a/gpsrinex.c
+++ b/gpsrinex.c
@@ -570,7 +570,8 @@ static void print_raw(struct gps_data_t *gpsdata)
     int nsat = 0;
     int i;
 
-    if ((last_mtime.tv_sec + sample_interval) > gpsdata->raw.mtime.tv_sec) {
+    if ((last_mtime.tv_sec + (time_t)sample_interval) >
+        gpsdata->raw.mtime.tv_sec) {
         /* not time yet */
         return;
     }