diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b25c15b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*~
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cd08f92..fa24be2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ set(TGT "projet_lzw")
 set(${TGT}_VERSION_MAJOR 0)
 set(${TGT}_VERSION_MINOR 1)
 
-set(CXX_COVERAGE_COMPILE_FLAGS "-pedantic -Wall -Wextra -Wold-style-cast -Woverloaded-virtual -Wfloat-equal -Wwrite-strings -Wpointer-arith -Wcast-qual -Wcast-align -Wconversion -Wsign-conversion -Wshadow -Weffc++ -Wredundant-decls -Wdouble-promotion -Winit-self -Wswitch-default -Wswitch-enum -Wundef -Winline -Wunused -Wnon-virtual-dtor")
+set(CXX_COVERAGE_COMPILE_FLAGS "-std=c++17 -pedantic -Wall -Wextra -Wold-style-cast -Woverloaded-virtual -Wfloat-equal -Wwrite-strings -Wpointer-arith -Wcast-qual -Wcast-align -Wconversion -Wsign-conversion -Wshadow -Weffc++ -Wredundant-decls -Wdouble-promotion -Winit-self -Wswitch-default -Wswitch-enum -Wundef -Winline -Wunused -Wnon-virtual-dtor")
 set(CMAKE_CXX_FLAGS_DEBUG "${CXX_COVERAGE_COMPILE_FLAGS} -DDebug -g -pg")
 set(CMAKE_CXX_FLAGS_RELEASE "${CXX_COVERAGE_COMPILE_FLAGS} -O3")