1 files changed, 5 insertions, 4 deletions

diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 532a60177c32..6b0138e5f332 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -228,16 +228,17 @@ static int hpp__width_delta(struct perf_hpp *hpp __maybe_unused)
 
 static int hpp__entry_delta(struct perf_hpp *hpp, struct hist_entry *he)
 {
-        struct hists *pair_hists = hpp->ptr;
+        struct hist_entry *pair = he->pair;
+        struct hists *pair_hists = pair ? pair->hists : NULL;
         u64 old_total, new_total;
         double old_percent = 0, new_percent = 0;
         double diff;
         const char *fmt = symbol_conf.field_sep ? "%s" : "%7.7s";
         char buf[32] = " ";
 
-        old_total = pair_hists->stats.total_period;
-        if (old_total > 0 && he->pair)
-                old_percent = 100.0 * he->pair->period / old_total;
+        old_total = pair_hists ? pair_hists->stats.total_period : 0;
+        if (old_total > 0 && pair)
+                old_percent = 100.0 * pair->period / old_total;
 
         new_total = hpp->total_period;
         if (new_total > 0)