diff --git a/src/gui/doAction.cpp b/src/gui/doAction.cpp
index 28f6cf882..4020dfc7b 100644
--- a/src/gui/doAction.cpp
+++ b/src/gui/doAction.cpp
@@ -18,6 +18,7 @@
  */
 
 #include "gui.h"
+#include "../ta-log.h"
 #include <fmt/printf.h>
 #include <imgui.h>
 
@@ -712,6 +713,9 @@ void FurnaceGUI::doAction(int what) {
       DivSample* sample=e->song.sample[curSample];
       sample->prepareUndo(true);
       int pos=(sampleSelStart==-1 || sampleSelStart==sampleSelEnd)?sample->samples:sampleSelStart;
+      if (pos>=(int)sample->samples) pos=sample->samples-1;
+      if (pos<0) pos=0;
+      logV("paste position: %d",pos);
 
       e->lockEngine([this,sample,pos]() {
         if (!sample->insert(pos,sampleClipboardLen)) {
@@ -739,6 +743,8 @@ void FurnaceGUI::doAction(int what) {
       DivSample* sample=e->song.sample[curSample];
       sample->prepareUndo(true);
       int pos=(sampleSelStart==-1 || sampleSelStart==sampleSelEnd)?0:sampleSelStart;
+      if (pos>=(int)sample->samples) pos=sample->samples-1;
+      if (pos<0) pos=0;
 
       e->lockEngine([this,sample,pos]() {
         if (sample->depth==8) {
@@ -767,6 +773,8 @@ void FurnaceGUI::doAction(int what) {
       DivSample* sample=e->song.sample[curSample];
       sample->prepareUndo(true);
       int pos=(sampleSelStart==-1 || sampleSelStart==sampleSelEnd)?0:sampleSelStart;
+      if (pos>=(int)sample->samples) pos=sample->samples-1;
+      if (pos<0) pos=0;
 
       e->lockEngine([this,sample,pos]() {
         if (sample->depth==8) {