diff --git a/griffin/griffin.c b/griffin/griffin.c
index e8b4efe8f7..7b912efb03 100644
--- a/griffin/griffin.c
+++ b/griffin/griffin.c
@@ -14,7 +14,9 @@
 * If not, see <http://www.gnu.org/licenses/>.
 */
 
+#ifndef HAVE_LIBRETRODB
 #define HAVE_LIBRETRODB
+#endif
 
 #if defined(HAVE_CG) || defined(HAVE_HLSL) || defined(HAVE_GLSL)
 #define HAVE_SHADERS