diff --git a/games/stratagus/Makefile b/games/stratagus/Makefile
index d1cb3749dbce..491026a9fae6 100644
--- a/games/stratagus/Makefile
+++ b/games/stratagus/Makefile
@@ -3,8 +3,8 @@
 
 PORTNAME=	stratagus
 PORTVERSION=	2.4.1
-PORTREVISION=	2
 DISTVERSIONPREFIX=	v
+PORTREVISION=	2
 CATEGORIES=	games
 
 MAINTAINER=	amdmi3@FreeBSD.org
@@ -13,23 +13,25 @@ COMMENT=	Free cross-platform real-time strategy gaming engine
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
+BROKEN_powerpc64=	fails to compile: cc1plus: unrecognized command line option "-std=gnu++0x"
+
 LIB_DEPENDS=	libpng.so:graphics/png \
 		libtolua++-${LUA_VER}.so:lang/tolua++
 
-BROKEN_powerpc64=	fails to compile: cc1plus: unrecognized command line option "-std=gnu++0x"
-
 USE_GITHUB=	yes
 GH_ACCOUNT=	Wargus
 
+USES=		cmake:outsource lua:51 pkgconfig sqlite
 USE_GL=		gl glu
 USE_SDL=	sdl
-USES=		cmake:outsource lua:51 pkgconfig sqlite
 CMAKE_ARGS=	-DGAMEDIR:STRING="bin" \
 		-DTOLUA++_APP:STRING="tolua++-${LUA_VER}" \
 		-DTOLUA++_INCLUDE_DIR:STRING="${LUA_INCDIR}" \
 		-DTOLUA++_LIBRARY:STRING="${LUA_LIBDIR}/libtolua++.so" \
 		-DENABLE_DEV:BOOL=ON
 
+CXXFLAGS+=	-Wno-c++11-narrowing
+
 PORTDOCS=	*
 
 OPTIONS_DEFINE=	MIKMOD MNG THEORA VORBIS X11 FLUIDSYNTH DOCS
diff --git a/games/stratagus/files/patch-src_ai_ai__plan.cpp b/games/stratagus/files/patch-src_ai_ai__plan.cpp
new file mode 100644
index 000000000000..cfebe2d31a1b
--- /dev/null
+++ b/games/stratagus/files/patch-src_ai_ai__plan.cpp
@@ -0,0 +1,11 @@
+--- src/ai/ai_plan.cpp.orig	2016-11-08 14:38:09 UTC
++++ src/ai/ai_plan.cpp
+@@ -343,7 +343,7 @@ int GetTotalBoardCapacity(ITERATOR begin
+ int AiForce::PlanAttack()
+ {
+ 	CPlayer &player = *AiPlayer->Player;
+-	DebugPrint("%d: Planning for force #%lu of player #%d\n"_C_ player.Index
++	DebugPrint("%d: Planning for force #%lu of player #%d\n" _C_ player.Index
+ 			   _C_(long unsigned int)(this - & (AiPlayer->Force[0])) _C_ player.Index);
+ 
+ 	TerrainTraversal transporterTerrainTraversal;
diff --git a/games/stratagus/files/patch-src_stratagus_script.cpp b/games/stratagus/files/patch-src_stratagus_script.cpp
new file mode 100644
index 000000000000..823e140e209d
--- /dev/null
+++ b/games/stratagus/files/patch-src_stratagus_script.cpp
@@ -0,0 +1,20 @@
+--- src/stratagus/script.cpp.orig	2016-11-08 14:38:09 UTC
++++ src/stratagus/script.cpp
+@@ -767,7 +767,7 @@ NumberDesc *CclParseNumberDesc(lua_State
+ 			lua_pop(l, 1); // table.
+ 		} else {
+ 			lua_pop(l, 1);
+-			LuaError(l, "unknow condition '%s'"_C_ key);
++			LuaError(l, "unknow condition '%s'" _C_ key);
+ 		}
+ 	} else {
+ 		LuaError(l, "Parse Error in ParseNumber");
+@@ -881,7 +881,7 @@ StringDesc *CclParseStringDesc(lua_State
+ 			res->D.PlayerName = CclParseNumberDesc(l);
+ 		} else {
+ 			lua_pop(l, 1);
+-			LuaError(l, "unknow condition '%s'"_C_ key);
++			LuaError(l, "unknow condition '%s'" _C_ key);
+ 		}
+ 	} else {
+ 		LuaError(l, "Parse Error in ParseString");