From 053363f85d4db42bc90f4deca744193c7d02412d Mon Sep 17 00:00:00 2001
From: Gerald Fournier <>
Date: Wed, 11 Feb 2026 22:27:28 +0200
Subject: [PATCH] Fix freq bins in fft

---
 src/frontend/com_fft.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/frontend/com_fft.c b/src/frontend/com_fft.c
index 2d592525b..82ea72ca8 100644
--- a/src/frontend/com_fft.c
+++ b/src/frontend/com_fft.c
@@ -60,6 +60,9 @@ com_fft(wordlist *wl)
     length = (plot_cur->pl_scale)->v_length;
     time = (plot_cur->pl_scale)->v_realdata;
     span = time[length-1] - time[0];
+    if (length > 1) {
+        span += time[1] - time[0];
+    }
 
 #ifdef HAVE_LIBFFTW3
     fpts = length/2 + 1;
@@ -75,7 +78,7 @@ com_fft(wordlist *wl)
 #endif
 
     win = TMALLOC(double, length);
-    maxt = time[length-1];
+    maxt = span + time[0];
     if (!cp_getvar("specwindow", CP_STRING, window, sizeof(window)))
         strcpy(window, "hanning");
     if (!cp_getvar("specwindoworder", CP_NUM, &order, 0))