2 files changed, 3 insertions, 2 deletions

diff --git a/src/model/state/state.h b/src/model/state/state.h
index ba6d7ab..b18dc5b 100644
--- a/src/model/state/state.h
+++ b/src/model/state/state.h
@@ -8,6 +8,7 @@
 /*
  * Buffer object identifiers.
  */
+#define NUM_BUFFERS 2
 #define BASE_VERTICES 0
 #define BASE_COLORS 1
 
@@ -80,7 +81,7 @@ typedef struct
   /*
    * Buffer objects.
    */
-  unsigned int buffers[1];
+  unsigned int buffers[NUM_BUFFERS];
 
   /*
    * GI Identifiers indexed by row. Storage is [rows][20].