diff --git a/CMakeLists.txt b/CMakeLists.txt
index dfd9254..c2d0c9c 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,6 +3,10 @@
 # Author: Peter Krusche <pkrusche@illumina.com>
 #
 cmake_minimum_required (VERSION 2.8)
+
+find_program(CMAKE_C_COMPILER NAMES $ENV{CC} gcc PATHS ENV PATH NO_DEFAULT_PATH)
+find_program(CMAKE_CXX_COMPILER NAMES $ENV{CXX} g++ PATHS ENV PATH NO_DEFAULT_PATH)
+
 project (HAPLOTYPES)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS 1)