[Fix] Check for NaN properly

diff --git a/src/libmime/filter.c b/src/libmime/filter.c
index b16fdfafac5206f54b346abae4efc6e9cdb83369..cffa9e2155a09c71c9f529106540f424b60b3687 100644 (file)
--- a/src/libmime/filter.c
+++ b/src/libmime/filter.c
@@ -176,7 +176,7 @@ insert_metric_result (struct rspamd_task *task,
 
                                diff = rspamd_check_group_score (task, symbol, gr, gr_score, diff);
 
-                               if (!isnan (w)) {
+                               if (!isnan (diff)) {
                                        metric_res->score += diff;
                                        metric_res->grow_factor = next_gf;