diff --git a/cmake/SetupCodeMetrics.cmake b/cmake/SetupCodeMetrics.cmake
index 57044ead3..16cc87832 100644
--- a/cmake/SetupCodeMetrics.cmake
+++ b/cmake/SetupCodeMetrics.cmake
@@ -21,7 +21,7 @@ if (ENABLE_COVERAGE)
     #       " -fno-inline -fno-inline-small-functions -fno-default-inline"
     blt_append_custom_compiler_flag(FLAGS_VAR   COVERAGE_FLAGS 
                                     DEFAULT " "
-                                    GNU     "--coverage"
+                                    GNU     "--coverage -fno-inline -fno-inline-small-functions -fno-default-inline"
                                     CLANG   "--coverage")
         
     SET( CMAKE_C_FLAGS  "${CMAKE_C_FLAGS} ${COVERAGE_FLAGS}" )