diff --git a/CMakeLists.txt b/CMakeLists.txt
index 868e6668..5c60b9e4 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -74,6 +74,7 @@ endif(NOT HAVE_ARGP)
 option(coverage "enable code coverage tracking." OFF)
 if(NOT coverage STREQUAL OFF)
   add_definitions(-coverage -O0)
+  link_libraries(gcov)
   message(STATUS "coverage enabled")
 endif(NOT coverage STREQUAL OFF)
 option(contrib "disable inclusion of contributed sources." ON)