1 files changed, 2 insertions, 0 deletions

diff --git a/procps/top.c b/procps/top.c
index 5c41e8e10..8d39526ff 100644
--- a/procps/top.c
+++ b/procps/top.c
@@ -979,9 +979,11 @@ static unsigned handle_input(unsigned scan_mask, duration_t interval)
                 IF_FEATURE_TOPMEM(&& scan_mask != TOPMEM_MASK)
                 ) {
                         scan_mask ^= PSSCAN_TASKS;
+#  if ENABLE_FEATURE_TOP_CPU_USAGE_PERCENTAGE
                         free(prev_hist);
                         prev_hist = NULL;
                         prev_hist_count = 0;
+#   endif
                         continue;
                 }
 # endif