diff --git a/.travis.yml b/.travis.yml
index 9695737..f58af2c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,7 @@ matrix:
       compiler: g++
       script:
         - cd build
+        - cmake --versison
         - cmake -DCMAKE_BUILD_TYPE=Debug ..
         - make -j
     - os: linux
@@ -15,6 +16,7 @@ matrix:
       compiler: clang
       script:
         - cd build
+        - cmake --versison
         - cmake -DCMAKE_BUILD_TYPE=Debug ..
         - make -j
     - os: linux
@@ -22,6 +24,7 @@ matrix:
       compiler: g++
       script:
         - cd build
+        - cmake --versison
         - cmake -DCMAKE_BUILD_TYPE=Release ..
         - make -j
     - os: linux
@@ -29,6 +32,7 @@ matrix:
       compiler: clang
       script:
         - cd build
+        - cmake --versison
         - cmake -DCMAKE_BUILD_TYPE=Release ..
         - make -j
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d48c784..66abd74 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 "-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(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(CMAKE_CXX_FLAGS_DEBUG "${CXX_COVERAGE_COMPILE_FLAGS} -DDebug -g -pg")
 set(CMAKE_CXX_FLAGS_RELEASE "${CXX_COVERAGE_COMPILE_FLAGS} -O3")