diff --git a/src/water_cmd.cpp b/src/water_cmd.cpp
--- a/src/water_cmd.cpp
+++ b/src/water_cmd.cpp
@@ -882,7 +882,7 @@ void DoFloodTile(TileIndex target)
 
 	bool flooded = false; // Will be set to true if something is changed.
 
-	Backup<CompanyByte> cur_company(_current_company, OWNER_WATER);
+	Backup<CompanyByte> cur_company(_current_company, OWNER_WATER, FILE_LINE);
 
 	Slope tileh = GetTileSlope(target, NULL);
 	if (tileh != SLOPE_FLAT) {
@@ -942,7 +942,7 @@ void DoFloodTile(TileIndex target)
  */
 static void DoDryUp(TileIndex tile)
 {
-	Backup<CompanyByte> cur_company(_current_company, OWNER_WATER);
+	Backup<CompanyByte> cur_company(_current_company, OWNER_WATER, FILE_LINE);
 
 	switch (GetTileType(tile)) {
 		case MP_RAILWAY: