diff --git a/mods/troll.js b/mods/troll.js
index 1eddb77a..9c8f1d82 100644
--- a/mods/troll.js
+++ b/mods/troll.js
@@ -7,6 +7,9 @@ elements.troll1 = {
 					if(Math.random() < 0.003 && pixelMap[i][j].element != pixel.element) { deletePixel(i,j) }
 				}
 			}
+		if(i == width) {
+			i = 1
+		}
 		}
 	},
 	category: "machines",
@@ -23,6 +26,9 @@ elements.troll2 = {
 					if(Math.random() < 0.005) { pixelMap[i][j].color = "rgb(0,0,0)" }
 				}
 			}
+		if(i == width) {
+			i = 1
+		}
 		}
 	},
 	category: "machines",
@@ -39,9 +45,12 @@ elements.troll3 = {
 					if(Math.random() < 0.05) { swapPixels(pixel,pixelMap[i][j]) }
 				}
 			}
+		if(i == width) {
+			i = 1
+		}
 		}
 	},
 	category: "machines",
 	insulate: true,
 	state: "solid",
-}
\ No newline at end of file
+}