diff --git a/renderer.c b/renderer.c
index 6e1147c..61c52c6 100644
--- a/renderer.c
+++ b/renderer.c
@@ -9,8 +9,6 @@
 #include <unistd.h>
 #include <xf86drm.h>
 
-#define MAX_VERTS_PER_DRAW 8U
-
 static int drm_fd;
 static drmModeConnector *conn;
 static drmModeCrtc *crtc;
@@ -22,7 +20,7 @@ static int front, back;
 static uint32_t width, height;
 static mat3_t view;
 
-static vec3_t vert_buf[MAX_VERTS_PER_DRAW];
+static vec3_t vert_buf[MAX_VERTS];
 
 static void page_flip_handler(int, unsigned, unsigned, unsigned, void *)
 {
@@ -146,7 +144,7 @@ void renderer_swap()
 void renderer_draw(const vec2_t *vs, unsigned count, mat3_t model)
 {
 	mat3_t transform = mat3_mul_mat3(view, model);
-	assert(count < MAX_VERTS_PER_DRAW);
+	assert(count < MAX_VERTS);
 	for (unsigned i = 0; i < count; ++i)
 		vert_buf[i] = mat3_mul_vec3(transform, vec2_extend(vs[i]));
 	for (unsigned i = 1; i < count; ++i)
diff --git a/renderer.h b/renderer.h
index ff628d5..00b1007 100644
--- a/renderer.h
+++ b/renderer.h
@@ -5,6 +5,8 @@
 
 #include <stdint.h>
 
+#define MAX_VERTS 8U
+
 typedef struct {
 	int drm_fd;
 	float aspect;