diff --git a/src/command.cpp b/src/command.cpp
index eac407846f..28b9f0f119 100644
--- a/src/command.cpp
+++ b/src/command.cpp
@@ -385,7 +385,7 @@ static const Command _command_proc_table[] = {
 	DEF_CMD(CmdMoneyCheatAdmin,                    CMD_SERVER_NS, CMDT_CHEAT                 ), // CMD_MONEY_CHEAT_ADMIN
 	DEF_CMD(CmdChangeBankBalance,                      CMD_DEITY, CMDT_MONEY_MANAGEMENT      ), // CMD_CHANGE_BANK_BALANCE
 	DEF_CMD(CmdCheatSetting,                          CMD_SERVER, CMDT_CHEAT                 ), // CMD_CHEAT_SETTING
-	DEF_CMD(CmdBuildCanal,                              CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_CANAL
+	DEF_CMD(CmdBuildCanal,                  CMD_DEITY | CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_CANAL
 	DEF_CMD(CmdCreateSubsidy,                          CMD_DEITY, CMDT_OTHER_MANAGEMENT      ), // CMD_CREATE_SUBSIDY
 	DEF_CMD(CmdCompanyCtrl, CMD_SPECTATOR | CMD_CLIENT_ID | CMD_NO_EST, CMDT_SERVER_SETTING  ), // CMD_COMPANY_CTRL
 	DEF_CMD(CmdCustomNewsItem,          CMD_STR_CTRL | CMD_DEITY, CMDT_OTHER_MANAGEMENT      ), // CMD_CUSTOM_NEWS_ITEM
diff --git a/src/script/api/ai/ai_marine.hpp.sq b/src/script/api/ai/ai_marine.hpp.sq
index d23fe09992..f1acb6275e 100644
--- a/src/script/api/ai/ai_marine.hpp.sq
+++ b/src/script/api/ai/ai_marine.hpp.sq
@@ -40,6 +40,7 @@ void SQAIMarine_Register(Squirrel *engine)
 	SQAIMarine.DefSQStaticMethod(engine, &ScriptMarine::BuildBuoy,              "BuildBuoy",              2, ".i");
 	SQAIMarine.DefSQStaticMethod(engine, &ScriptMarine::BuildLock,              "BuildLock",              2, ".i");
 	SQAIMarine.DefSQStaticMethod(engine, &ScriptMarine::BuildCanal,             "BuildCanal",             2, ".i");
+	SQAIMarine.DefSQStaticMethod(engine, &ScriptMarine::BuildRiver,             "BuildRiver",             2, ".i");
 	SQAIMarine.DefSQStaticMethod(engine, &ScriptMarine::RemoveWaterDepot,       "RemoveWaterDepot",       2, ".i");
 	SQAIMarine.DefSQStaticMethod(engine, &ScriptMarine::RemoveDock,             "RemoveDock",             2, ".i");
 	SQAIMarine.DefSQStaticMethod(engine, &ScriptMarine::RemoveBuoy,             "RemoveBuoy",             2, ".i");
diff --git a/src/script/api/game/game_marine.hpp.sq b/src/script/api/game/game_marine.hpp.sq
index 4029f78db1..7116f99003 100644
--- a/src/script/api/game/game_marine.hpp.sq
+++ b/src/script/api/game/game_marine.hpp.sq
@@ -40,6 +40,7 @@ void SQGSMarine_Register(Squirrel *engine)
 	SQGSMarine.DefSQStaticMethod(engine, &ScriptMarine::BuildBuoy,              "BuildBuoy",              2, ".i");
 	SQGSMarine.DefSQStaticMethod(engine, &ScriptMarine::BuildLock,              "BuildLock",              2, ".i");
 	SQGSMarine.DefSQStaticMethod(engine, &ScriptMarine::BuildCanal,             "BuildCanal",             2, ".i");
+	SQGSMarine.DefSQStaticMethod(engine, &ScriptMarine::BuildRiver,             "BuildRiver",             2, ".i");
 	SQGSMarine.DefSQStaticMethod(engine, &ScriptMarine::RemoveWaterDepot,       "RemoveWaterDepot",       2, ".i");
 	SQGSMarine.DefSQStaticMethod(engine, &ScriptMarine::RemoveDock,             "RemoveDock",             2, ".i");
 	SQGSMarine.DefSQStaticMethod(engine, &ScriptMarine::RemoveBuoy,             "RemoveBuoy",             2, ".i");
diff --git a/src/script/api/script_marine.cpp b/src/script/api/script_marine.cpp
index c63add8faa..41ace35d79 100644
--- a/src/script/api/script_marine.cpp
+++ b/src/script/api/script_marine.cpp
@@ -116,6 +116,13 @@
 	return ScriptObject::DoCommand(tile, tile, WATER_CLASS_CANAL, CMD_BUILD_CANAL);
 }
 
+/* static */ bool ScriptMarine::BuildRiver(TileIndex tile)
+{
+	EnforcePrecondition(false, ::IsValidTile(tile));
+
+	return ScriptObject::DoCommand(tile, tile, WATER_CLASS_RIVER, CMD_BUILD_CANAL);
+}
+
 /* static */ bool ScriptMarine::RemoveWaterDepot(TileIndex tile)
 {
 	EnforcePrecondition(false, ScriptObject::GetCompany() != OWNER_DEITY);
diff --git a/src/script/api/script_marine.hpp b/src/script/api/script_marine.hpp
index 324ed8f3e9..f427912eca 100644
--- a/src/script/api/script_marine.hpp
+++ b/src/script/api/script_marine.hpp
@@ -158,6 +158,18 @@ public:
 	 */
 	static bool BuildCanal(TileIndex tile);
 
+	/**
+	 * Builds a river on tile.
+	 * @param tile The tile where the canal will be build.
+	 * @pre ScriptMap::IsValidTile(tile).
+	 * @exception ScriptError::ERR_AREA_NOT_CLEAR
+	 * @exception ScriptError::ERR_LAND_SLOPED_WRONG
+	 * @exception ScriptError::ERR_OWNED_BY_ANOTHER_COMPANY
+	 * @exception ScriptError::ERR_ALREADY_BUILT
+	 * @return Whether the river has been/can be build or not.
+	 */
+	static bool BuildRiver(TileIndex tile);
+
 	/**
 	 * Removes a water depot.
 	 * @param tile Any tile of the water depot.