diff --git a/src/disaster_cmd.cpp b/src/disaster_cmd.cpp
--- a/src/disaster_cmd.cpp
+++ b/src/disaster_cmd.cpp
@@ -525,13 +525,13 @@ static bool DisasterTick_Big_Ufo(Disaste
 		}
 		DisasterVehicle *u = new DisasterVehicle();
 
-		InitializeDisasterVehicle(u, -6 * TILE_SIZE, v->y_pos, 135, DIR_SW, ST_BIG_UFO_DESTROYER);
+		InitializeDisasterVehicle(u, -6 * (int)TILE_SIZE, v->y_pos, 135, DIR_SW, ST_BIG_UFO_DESTROYER);
 		u->big_ufo_destroyer_target = v->index;
 
 		DisasterVehicle *w = new DisasterVehicle();
 
 		u->SetNext(w);
-		InitializeDisasterVehicle(w, -6 * TILE_SIZE, v->y_pos, 0, DIR_SW, ST_BIG_UFO_DESTROYER_SHADOW);
+		InitializeDisasterVehicle(w, -6 * (int)TILE_SIZE, v->y_pos, 0, DIR_SW, ST_BIG_UFO_DESTROYER_SHADOW);
 		w->vehstatus |= VS_SHADOW;
 	} else if (v->current_order.GetDestination() == 0) {
 		int x = TileX(v->dest_tile) * TILE_SIZE;
@@ -767,7 +767,7 @@ static void Disaster_Helicopter_Init()
 
 	DisasterVehicle *v = new DisasterVehicle();
 
-	int x = -16 * TILE_SIZE;
+	int x = -16 * (int)TILE_SIZE;
 	int y = TileY(found->location.tile) * TILE_SIZE + 37;
 
 	InitializeDisasterVehicle(v, x, y, 135, DIR_SW, ST_HELICOPTER);
diff --git a/src/gfx.cpp b/src/gfx.cpp
--- a/src/gfx.cpp
+++ b/src/gfx.cpp
@@ -1533,7 +1533,7 @@ void DrawDirtyBlocks()
 
 			}
 		} while (b++, (x += DIRTY_BLOCK_WIDTH) != w);
-	} while (b += -(w / DIRTY_BLOCK_WIDTH) + _dirty_bytes_per_line, (y += DIRTY_BLOCK_HEIGHT) != h);
+	} while (b += -(int)(w / DIRTY_BLOCK_WIDTH) + _dirty_bytes_per_line, (y += DIRTY_BLOCK_HEIGHT) != h);
 
 	_invalid_rect.left = w;
 	_invalid_rect.top = h;
diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp
--- a/src/rail_cmd.cpp
+++ b/src/rail_cmd.cpp
@@ -2096,10 +2096,10 @@ static void DrawTrackBits(TileInfo *ti, 
 				DrawGroundSprite(_track_sloped_sprites[ti->tileh - 1] + rti->base_sprites.single_sloped - 20, PALETTE_CRASH);
 			}
 		}
-		if (pbs & TRACK_BIT_UPPER) DrawGroundSprite(rti->base_sprites.single_n, PALETTE_CRASH, NULL, 0, ti->tileh & SLOPE_N ? -TILE_HEIGHT : 0);
-		if (pbs & TRACK_BIT_LOWER) DrawGroundSprite(rti->base_sprites.single_s, PALETTE_CRASH, NULL, 0, ti->tileh & SLOPE_S ? -TILE_HEIGHT : 0);
-		if (pbs & TRACK_BIT_LEFT)  DrawGroundSprite(rti->base_sprites.single_w, PALETTE_CRASH, NULL, 0, ti->tileh & SLOPE_W ? -TILE_HEIGHT : 0);
-		if (pbs & TRACK_BIT_RIGHT) DrawGroundSprite(rti->base_sprites.single_e, PALETTE_CRASH, NULL, 0, ti->tileh & SLOPE_E ? -TILE_HEIGHT : 0);
+		if (pbs & TRACK_BIT_UPPER) DrawGroundSprite(rti->base_sprites.single_n, PALETTE_CRASH, NULL, 0, ti->tileh & SLOPE_N ? -(int)TILE_HEIGHT : 0);
+		if (pbs & TRACK_BIT_LOWER) DrawGroundSprite(rti->base_sprites.single_s, PALETTE_CRASH, NULL, 0, ti->tileh & SLOPE_S ? -(int)TILE_HEIGHT : 0);
+		if (pbs & TRACK_BIT_LEFT)  DrawGroundSprite(rti->base_sprites.single_w, PALETTE_CRASH, NULL, 0, ti->tileh & SLOPE_W ? -(int)TILE_HEIGHT : 0);
+		if (pbs & TRACK_BIT_RIGHT) DrawGroundSprite(rti->base_sprites.single_e, PALETTE_CRASH, NULL, 0, ti->tileh & SLOPE_E ? -(int)TILE_HEIGHT : 0);
 	}
 
 	if (IsValidCorner(halftile_corner)) {
@@ -2119,7 +2119,7 @@ static void DrawTrackBits(TileInfo *ti, 
 
 		if (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasReservedTracks(ti->tile, CornerToTrackBits(halftile_corner))) {
 			static const byte _corner_to_track_sprite[] = {3, 1, 2, 0};
-			DrawGroundSprite(_corner_to_track_sprite[halftile_corner] + rti->base_sprites.single_n, PALETTE_CRASH, NULL, 0, -TILE_HEIGHT);
+			DrawGroundSprite(_corner_to_track_sprite[halftile_corner] + rti->base_sprites.single_n, PALETTE_CRASH, NULL, 0, -(int)TILE_HEIGHT);
 		}
 	}
 }
diff --git a/src/viewport.cpp b/src/viewport.cpp
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -386,8 +386,8 @@ static Point TranslateXYToTileCoord(cons
 	/* we need to move variables in to the valid range, as the
 	 * GetTileZoomCenterWindow() function can call here with invalid x and/or y,
 	 * when the user tries to zoom out along the sides of the map */
-	a = Clamp(a, -4 * TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
-	b = Clamp(b, -4 * TILE_SIZE, (int)(MapMaxY() * TILE_SIZE) - 1);
+	a = Clamp(a, -4 * (int)TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
+	b = Clamp(b, -4 * (int)TILE_SIZE, (int)(MapMaxY() * TILE_SIZE) - 1);
 
 	/* (a, b) is the X/Y-world coordinate that belongs to (x,y) if the landscape would be completely flat on height 0.
 	 * Now find the Z-world coordinate by fix point iteration.
@@ -2330,9 +2330,9 @@ static void CalcRaildirsDrawstyle(TileHi
 					/* 'Build' the last half rail tile if needed */
 					if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
 						if (dx + dy >= (int)TILE_SIZE) {
-							x += (dx + dy < 0) ? TILE_SIZE : -TILE_SIZE;
+							x += (dx + dy < 0) ? TILE_SIZE : -(int)TILE_SIZE;
 						} else {
-							y += (dx + dy < 0) ? TILE_SIZE : -TILE_SIZE;
+							y += (dx + dy < 0) ? TILE_SIZE : -(int)TILE_SIZE;
 						}
 					}
 
@@ -2365,9 +2365,9 @@ static void CalcRaildirsDrawstyle(TileHi
 					/* 'Build' the last half rail tile if needed */
 					if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
 						if (dx - dy < 0) {
-							y += (dx > dy) ? TILE_SIZE : -TILE_SIZE;
+							y += (dx > dy) ? TILE_SIZE : -(int)TILE_SIZE;
 						} else {
-							x += (dx < dy) ? TILE_SIZE : -TILE_SIZE;
+							x += (dx < dy) ? TILE_SIZE : -(int)TILE_SIZE;
 						}
 					}