diff --git a/projects/hip/include/hip/hcc_detail/grid_launch_GGL.hpp b/projects/hip/include/hip/hcc_detail/grid_launch_GGL.hpp
index 187d84dbff..10dae540a4 100644
--- a/projects/hip/include/hip/hcc_detail/grid_launch_GGL.hpp
+++ b/projects/hip/include/hip/hcc_detail/grid_launch_GGL.hpp
@@ -22,7 +22,7 @@ THE SOFTWARE.
 
 #if GENERIC_GRID_LAUNCH == 1
     #if __hcc_workweek__ >= 17481
-        #define FUNCTIONAL_GRID_LAUNCH
+        #define FUNCTIONAL_GRID_LAUNCH 1
         #include "functional_grid_launch.hpp"
     #else
         #include "macro_based_grid_launch.hpp"
diff --git a/projects/hip/src/functional_grid_launch.inl b/projects/hip/src/functional_grid_launch.inl
index 4a26f66c8c..b555967ebc 100644
--- a/projects/hip/src/functional_grid_launch.inl
+++ b/projects/hip/src/functional_grid_launch.inl
@@ -20,7 +20,6 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */
 
-#include "hip/hcc_detail/grid_launch_GGL.hpp"
 #include "hip/hcc_detail/program_state.hpp"
 
 #include "hip/hip_runtime_api.h"
diff --git a/projects/hip/src/grid_launch.cpp b/projects/hip/src/grid_launch.cpp
index 484d314fba..d63fd2d49a 100644
--- a/projects/hip/src/grid_launch.cpp
+++ b/projects/hip/src/grid_launch.cpp
@@ -20,7 +20,9 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */
 
-#if defined(FUNCTIONAL_GRID_LAUNCH)
+#include "hip/hcc_detail/grid_launch_GGL.hpp"
+
+#if !defined(FUNCTIONAL_GRID_LAUNCH)
     #include "functional_grid_launch.inl"
 #else
     #include "macro_based_grid_launch.inl"
diff --git a/projects/hip/src/macro_based_grid_launch.inl b/projects/hip/src/macro_based_grid_launch.inl
index ad5340c097..5547d3a71a 100644
--- a/projects/hip/src/macro_based_grid_launch.inl
+++ b/projects/hip/src/macro_based_grid_launch.inl
@@ -20,8 +20,6 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */
 
-#include "hip/hcc_detail/grid_launch_GGL.hpp"
-
 // Internal header, do not percolate upwards.
 #include "hip_hcc_internal.h"
 #include "hc.hpp"