diff --git a/src/game/bondmove.c b/src/game/bondmove.c
index ede1b11d0..400cfa00c 100644
--- a/src/game/bondmove.c
+++ b/src/game/bondmove.c
@@ -907,7 +907,9 @@ void bmoveProcessInput(bool allowc1x, bool allowc1y, bool allowc1buttons, bool i
 						aimoffhist[i] = !aimonhist[i];
 					}
 
-					g_Vars.currentplayer->insightaimmode = aimonhist[numsamples - 1];
+					if (numsamples > 0) {
+						g_Vars.currentplayer->insightaimmode = aimonhist[numsamples - 1];
+					}
 				}
 
 				if (!lvIsPaused()) {
@@ -1238,7 +1240,9 @@ void bmoveProcessInput(bool allowc1x, bool allowc1y, bool allowc1buttons, bool i
 						aimoffhist[i] = !aimonhist[i];
 					}
 
-					g_Vars.currentplayer->insightaimmode = aimonhist[numsamples - 1];
+					if (numsamples > 0) {
+						g_Vars.currentplayer->insightaimmode = aimonhist[numsamples - 1];
+					}
 				}
 
 				if (!lvIsPaused()) {