diff --git a/src/engine.c b/src/engine.c
index 12a961c57701d1640b29551a33774602b3633f9b..95af53c49367ce447f76f1381bec0dde0833bb90 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -5461,7 +5461,7 @@ void engine_step(struct engine *e) {
     e->forcerebuild = 1;
 
 #ifdef WITH_LOGGER
-  logger_log_timestamp(e->ti_current, &e->logger_time_offset,
+  logger_log_timestamp(e->ti_old, &e->logger_time_offset,
 		       e->logger_dump);
 #endif
 
diff --git a/src/logger_io.c b/src/logger_io.c
index 1b679a74c8a5adde35db9f4a3bc7ccd898facb42..4ed5db3f0e1af6ef619653b6975b524e0f4ac8b0 100644
--- a/src/logger_io.c
+++ b/src/logger_io.c
@@ -903,6 +903,7 @@ void write_index_single(struct engine* e, const char* baseName,
   io_write_attribute(h_grp, "BoxSize", DOUBLE, e->s->dim, 3);
   double dblTime = e->time;
   io_write_attribute(h_grp, "Time", DOUBLE, &dblTime, 1);
+  io_write_attribute(h_grp, "Time Offset", UINT, &e->logger_time_offset, 1);
   int dimension = (int)hydro_dimension;
   io_write_attribute(h_grp, "Dimension", INT, &dimension, 1);