diff --git a/src/propeller/push/core.cljc b/src/propeller/push/core.cljc
index 2cba929..f9d23bd 100755
--- a/src/propeller/push/core.cljc
+++ b/src/propeller/push/core.cljc
@@ -6,4 +6,10 @@
 
 ;; Number of blocks opened by instructions (default = 0)
 (def opens {:exec_dup 1
-            :exec_if  2})
+            :exec_if  2
+            :exec_when 1
+            :exec_while 1
+            :exec_do_while 1
+            :exec_k 2
+            :exec_s 3
+            :exec_y 1})