diff --git a/wiretap/5views.c b/wiretap/5views.c
index 9478f88cd3..5d51c1c8a7 100644
--- a/wiretap/5views.c
+++ b/wiretap/5views.c
@@ -391,7 +391,7 @@ static gboolean _5views_dump(wtap_dumper *wdh,
 	 * we should check against G_MININT32 and G_MAXINT32 and make
 	 * Utc a gint32.
 	 */
-	if (rec->ts.secs < 0 || rec->ts.secs > G_MAXUINT32) {
+	if (rec->ts.secs < 0 || rec->ts.secs > WTAP_NSTIME_32BIT_SECS_MAX) {
 		*err = WTAP_ERR_TIME_STAMP_NOT_SUPPORTED;
 		return FALSE;
 	}
diff --git a/wiretap/netxray.c b/wiretap/netxray.c
index 9e1ed447e9..74f244c2f2 100644
--- a/wiretap/netxray.c
+++ b/wiretap/netxray.c
@@ -1812,7 +1812,7 @@ netxray_dump_1_1(wtap_dumper *wdh,
 		 * G_MININT32 and G_MAXINT32 and make start_secs a
 		 * gint32.
 		 */
-		if (rec->ts.secs < 0 || rec->ts.secs > G_MAXUINT32) {
+		if (rec->ts.secs < 0 || rec->ts.secs > WTAP_NSTIME_32BIT_SECS_MAX) {
 			*err = WTAP_ERR_TIME_STAMP_NOT_SUPPORTED;
 			return FALSE;
 		}
@@ -2011,7 +2011,7 @@ netxray_dump_2_0(wtap_dumper *wdh,
 		 * G_MININT32 and G_MAXINT32 and make start_secs a
 		 * gint32.
 		 */
-		if (rec->ts.secs < 0 || rec->ts.secs > G_MAXUINT32) {
+		if (rec->ts.secs < 0 || rec->ts.secs > WTAP_NSTIME_32BIT_SECS_MAX) {
 			*err = WTAP_ERR_TIME_STAMP_NOT_SUPPORTED;
 			return FALSE;
 		}
diff --git a/wiretap/visual.c b/wiretap/visual.c
index f0fa86ea33..4707c86bbe 100644
--- a/wiretap/visual.c
+++ b/wiretap/visual.c
@@ -685,7 +685,7 @@ static gboolean visual_dump(wtap_dumper *wdh, const wtap_rec *rec,
          * in which case we should check against G_MININT32 and G_MAXINT32
          * and make start_time a gint32.
          */
-        if (rec->ts.secs < 0 || rec->ts.secs > G_MAXUINT32) {
+        if (rec->ts.secs < 0 || rec->ts.secs > WTAP_NSTIME_32BIT_SECS_MAX) {
             *err = WTAP_ERR_TIME_STAMP_NOT_SUPPORTED;
             return FALSE;
         }
diff --git a/wiretap/wtap.h b/wiretap/wtap.h
index 4f6354d710..739367f777 100644
--- a/wiretap/wtap.h
+++ b/wiretap/wtap.h
@@ -1338,6 +1338,8 @@ typedef struct {
 #define BBLOG_TYPE_EVENT_BLOCK   1
 #define BBLOG_TYPE_SKIPPED_BLOCK 2
 
+#define WTAP_NSTIME_32BIT_SECS_MAX ((time_t)(sizeof(time_t) > sizeof(gint32) ? G_MAXUINT32 : G_MAXINT32))
+
 typedef struct {
     guint     rec_type;          /* what type of record is this? */
     guint32   presence_flags;    /* what stuff do we have? */