diff --git a/CMLibCodeCoverage.cmake b/CMLibCodeCoverage.cmake
index 54abfdd..b3b55a3 100644
--- a/CMLibCodeCoverage.cmake
+++ b/CMLibCodeCoverage.cmake
@@ -3,7 +3,7 @@ function(add_code_coverage)
 
   find_program(LCOV_EXE NAMES lcov)
   find_program(GENHTML_EXE NAMES genhtml)
-  target_compile_options(_target PUBLIC "--coverage")
+  target_compile_options(${_target} PUBLIC "--coverage")
 
   if(LCOV_EXE)
     add_custom_target(coverage-${_target}