diff --git a/server/include/hist.h b/server/include/hist.h
index e1bbdfdcb..1f117b088 100644
--- a/server/include/hist.h
+++ b/server/include/hist.h
@@ -33,6 +33,8 @@ struct hist {
 	double highest;
 	/** The lowest value observed (may be lower than #low). */
 	double lowest;
+	/** The last value which has been put into the buckets */
+	double last;
 	
 	/** The number of buckets in #data. */
 	int length;
diff --git a/server/src/hist.c b/server/src/hist.c
index 9d8cb9a76..ed8d36c39 100644
--- a/server/src/hist.c
+++ b/server/src/hist.c
@@ -38,6 +38,8 @@ void hist_destroy(struct hist *h)
 void hist_put(struct hist *h, double value)
 {
 	int idx = INDEX(h, value);
+	
+	h->last = value;
 
 	/* Update min/max */
 	if (value > h->highest)