diff --git a/modules/codelite/codelite_project.lua b/modules/codelite/codelite_project.lua
index bf01b49f..11f35965 100755
--- a/modules/codelite/codelite_project.lua
+++ b/modules/codelite/codelite_project.lua
@@ -357,11 +357,11 @@
 	end
 
 	function m.isCpp11(cfg)
-		return (cfg.cppdialect == 'gnu++11') or (cfg.cppdialect == 'C++11')
+		return (cfg.cppdialect == 'gnu++11') or (cfg.cppdialect == 'C++11') or (cfg.cppdialect == 'gnu++0x') or (cfg.cppdialect == 'C++0x')
 	end
 
 	function m.isCpp14(cfg)
-		return (cfg.cppdialect == 'gnu++14') or (cfg.cppdialect == 'C++14')
+		return (cfg.cppdialect == 'gnu++14') or (cfg.cppdialect == 'C++14') or (cfg.cppdialect == 'gnu++1y') or (cfg.cppdialect == 'C++1y')
 	end
 
 	function m.completion(cfg)
diff --git a/src/_premake_init.lua b/src/_premake_init.lua
index 001e3da2..d914538e 100644
--- a/src/_premake_init.lua
+++ b/src/_premake_init.lua
@@ -766,12 +766,18 @@
 		allowed = {
 			"Default",
 			"C++98",
+			"C++0x",
 			"C++11",
+			"C++1y",
 			"C++14",
+			"C++1z",
 			"C++17",
 			"gnu++98",
+			"gnu++0x",
 			"gnu++11",
+			"gnu++1y",
 			"gnu++14",
+			"gnu++1z",
 			"gnu++17",
 		}
 	}
diff --git a/src/tools/gcc.lua b/src/tools/gcc.lua
index 523d041f..f16e80ca 100644
--- a/src/tools/gcc.lua
+++ b/src/tools/gcc.lua
@@ -135,13 +135,19 @@
 		},
 		cppdialect = {
 			["C++98"] = "-std=c++98",
+			["C++0x"] = "-std=c++0x",
 			["C++11"] = "-std=c++11",
+			["C++1y"] = "-std=c++1y",
 			["C++14"] = "-std=c++14",
-			["C++17"] = "-std=c++1z",
+			["C++1z"] = "-std=c++1z",
+			["C++17"] = "-std=c++17",
 			["gnu++98"] = "-std=gnu++98",
+			["gnu++0x"] = "-std=gnu++0x",
 			["gnu++11"] = "-std=gnu++11",
+			["gnu++1y"] = "-std=gnu++1y",
 			["gnu++14"] = "-std=gnu++14",
-			["gnu++17"] = "-std=gnu++1z",
+			["gnu++1z"] = "-std=gnu++1z",
+			["gnu++17"] = "-std=gnu++17",
 		},
 		rtti = {
 			Off = "-fno-rtti"
diff --git a/tests/tools/test_gcc.lua b/tests/tools/test_gcc.lua
index 9cea6fa7..2667bb57 100644
--- a/tests/tools/test_gcc.lua
+++ b/tests/tools/test_gcc.lua
@@ -676,7 +676,7 @@
 	function suite.cxxflags_onCpp17()
 		cppdialect "C++17"
 		prepare()
-		test.contains({ "-std=c++1z" }, gcc.getcxxflags(cfg))
+		test.contains({ "-std=c++17" }, gcc.getcxxflags(cfg))
 		test.contains({ }, gcc.getcflags(cfg))
 	end
 
@@ -704,6 +704,6 @@
 	function suite.cxxflags_onCppGnu17()
 		cppdialect "gnu++17"
 		prepare()
-		test.contains({ "-std=gnu++1z" }, gcc.getcxxflags(cfg))
+		test.contains({ "-std=gnu++17" }, gcc.getcxxflags(cfg))
 		test.contains({ }, gcc.getcflags(cfg))
 	end