diff --git a/CMakeLists.txt b/CMakeLists.txt
index 729cdbf..79ee9a1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,8 +4,10 @@ project(C/C++)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
 
 add_executable(01_ENV_MP 01_ENV/MP/main.c 01_ENV/MP/func1.c)
+target_link_libraries(01_ENV_MP m)
 add_executable(01_ENV_Testat 01_ENV/Testat/main.c 01_ENV/Testat/func1.c)
 
+
 add_executable(02_MENT_MP 02_MENT/MP/main_02_MENT.cpp)
 add_executable(02_MENT_Testat_1 02_MENT/Testat/main_02_MENT.cpp)
 add_executable(02_MENT_Testat_2 02_MENT/Testat2/main_02_MENT.cpp)