diff --git a/eo/CMakeLists.txt b/eo/CMakeLists.txt
index 7bdcdba49..6999bd364 100644
--- a/eo/CMakeLists.txt
+++ b/eo/CMakeLists.txt
@@ -46,8 +46,8 @@ ENABLE_LANGUAGE(C)
 
 FIND_PACKAGE(OpenMP REQUIRED)
 IF(OPENMP_FOUND)
-  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_CXX_FLAGS}")
-  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_C_FLAGS}")
+  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
+  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
 ENDIF()
 
 INCLUDE(CMakeBackwardCompatibilityCXX)