diff --git a/xwords4/linux/curgamlistwin.c b/xwords4/linux/curgamlistwin.c
index a3cbfbea4..bcb7afdfd 100644
--- a/xwords4/linux/curgamlistwin.c
+++ b/xwords4/linux/curgamlistwin.c
@@ -26,6 +26,7 @@
 #include "linuxmain.h"
 #include "device.h"
 #include "strutils.h"
+#include "linuxutl.h"
 
 struct CursGameList {
     WINDOW* window;
@@ -265,8 +266,9 @@ cgl_draw( CursGameList* cgl )
         data[line][col++] = g_strdup_printf( "%d", gi->nMoves );
         data[line][col++] = g_strdup_printf( "%d", gi->turn );
         data[line][col++] = g_strdup_printf( "%d", gi->nPending );
-        GTimeVal timerVal = { tv_sec: gi->dupTimerExpires, tv_usec: 0 };
-        data[line][col++] = g_time_val_to_iso8601( &timerVal );
+	gchar buf[64];
+	formatSeconds( gi->dupTimerExpires, buf, VSIZE(buf) );
+        data[line][col++] = g_strdup( buf );
 
         XP_ASSERT( col == VSIZE(data[line]) );
         ++line;
diff --git a/xwords4/linux/gtkmain.c b/xwords4/linux/gtkmain.c
index 8c30ad1c5..291ab28d2 100644
--- a/xwords4/linux/gtkmain.c
+++ b/xwords4/linux/gtkmain.c
@@ -244,10 +244,11 @@ add_to_list( GtkWidget* list, sqlite3_int64 rowid, XP_Bool isNew,
     gchar* localString = 0 <= gib->turn ? gib->turnLocal ? "YES"
         : "NO" : "";
 
-    GTimeVal timeval = { tv_sec: gib->lastMoveTime, tv_usec: 0 };
-    gchar* timeStr = g_time_val_to_iso8601( &timeval );
-    GTimeVal timerVal = { tv_sec: gib->dupTimerExpires, tv_usec: 0 };
-    gchar* timerStr = g_time_val_to_iso8601( &timerVal );
+    gchar timeStr[64];
+    formatSeconds( gib->lastMoveTime, timeStr, VSIZE(timeStr) );
+    gchar timerStr[64];
+    formatSeconds( gib->dupTimerExpires, timerStr, VSIZE(timeStr) );
+
     gtk_list_store_set( store, &iter, 
                         ROW_ITEM, rowid,
                         ROW_THUMB, gib->snap,
@@ -267,7 +268,6 @@ add_to_list( GtkWidget* list, sqlite3_int64 rowid, XP_Bool isNew,
                         LASTTURN_ITEM, timeStr,
                         DUPTIMER_ITEM, timerStr,
                         -1 );
-    g_free( timeStr );
     XP_LOGF( "DONE adding" );
 }
 
diff --git a/xwords4/linux/linuxutl.c b/xwords4/linux/linuxutl.c
index 8176cbc47..0eb0e9674 100644
--- a/xwords4/linux/linuxutl.c
+++ b/xwords4/linux/linuxutl.c
@@ -603,7 +603,20 @@ formatTimerText( gchar* buf, int bufLen, int secondsLeft )
     int minutes = secondsLeft / 60;
     int seconds = secondsLeft % 60;
     XP_SNPRINTF( buf, bufLen, "% 1d:%02d", minutes, seconds );
-} /* gtkFormatTimerText */
+}
+
+void
+formatSeconds( int unixSeconds, gchar* buf, int bufLen )
+{
+    GDateTime* timeval = g_date_time_new_from_unix_local( unixSeconds );
+    gchar* str = g_date_time_format_iso8601 ( timeval );
+    int len = strlen( str );
+    if ( len < bufLen ) {
+        XP_MEMCPY( buf, str, len + 1 );
+    }
+    g_date_time_unref( timeval );
+    g_free( str );
+}
 
 #ifdef TEXT_MODEL
 /* This is broken for UTF-8, even Spanish */
diff --git a/xwords4/linux/linuxutl.h b/xwords4/linux/linuxutl.h
index 1f6091d44..4785ec4bd 100644
--- a/xwords4/linux/linuxutl.h
+++ b/xwords4/linux/linuxutl.h
@@ -59,4 +59,6 @@ XP_U32 linux_getCurSeconds();
 
 void formatTimerText( gchar* buf, int bufLen, int secondsLeft );
 
+void formatSeconds( int unixSeconds, gchar* buf, int bufLen );
+
 #endif