diff --git a/control.c b/control.c
index 290a32e..6d79828 100644
--- a/control.c
+++ b/control.c
@@ -169,7 +169,7 @@ void control_lclick(double cx, double cy, vec3 pos, struct item *inv) {
       inv[i].id = cube;
       inv[i].count = 0;
     }
-    if (inv[i].id == cube) {
+    if (inv[i].id == cube && inv[i].count < 64) {
       inv[i].count++;
       break;
     }