diff --git a/src/humidity/tlogger.py b/src/humidity/tlogger.py
index 9a523c66ec31797443803f0074dae541af7c00a0..60c58a2f807b5a1954cafd4554c8738bd8e70921 100644
--- a/src/humidity/tlogger.py
+++ b/src/humidity/tlogger.py
@@ -79,6 +79,7 @@ class T_logger:
             ax.set_xticks(
                 ax.get_xticks(), ax.get_xticklabels(), rotation=45, ha="right"
             )
+            plt.grid(True)
             plt.tight_layout()
             plt.savefig(f"{os.path.abspath(os.path.dirname(fo.name))}/{name}.pdf")
             plt.close()