diff --git a/polymer/eduke32/source/actors.h b/polymer/eduke32/source/actors.h
index 8eff5048d..dc4a044e5 100644
--- a/polymer/eduke32/source/actors.h
+++ b/polymer/eduke32/source/actors.h
@@ -106,6 +106,7 @@ enum actionparams
     ACTION_VIEWTYPE,
     ACTION_INCVAL,
     ACTION_DELAY,
+    ACTION_FLAGS,
     ACTION_PARAM_COUNT,
 };
 
@@ -116,6 +117,7 @@ struct action
     // can be initialized by passing a table with numeric indices (con.action).
     int16_t startframe, numframes;
     int16_t viewtype, incval, delay;
+    uint16_t flags;
 };
 
 struct move
diff --git a/polymer/eduke32/source/duke3d.h b/polymer/eduke32/source/duke3d.h
index eed2e1f75..8a481ff53 100644
--- a/polymer/eduke32/source/duke3d.h
+++ b/polymer/eduke32/source/duke3d.h
@@ -53,10 +53,10 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 // increase by 3, because atomic GRP adds 1, and Shareware adds 2
 #ifdef LUNATIC
 // Lunatic
-# define BYTEVERSION_EDUKE32      306
+# define BYTEVERSION_EDUKE32      309
 #else
 // Non-Lua build
-# define BYTEVERSION_EDUKE32      306
+# define BYTEVERSION_EDUKE32      309
 #endif
 
 //#define BYTEVERSION_13      27
diff --git a/polymer/eduke32/source/lunatic/defs.ilua b/polymer/eduke32/source/lunatic/defs.ilua
index ea90ec92a..8e3e61dcf 100644
--- a/polymer/eduke32/source/lunatic/defs.ilua
+++ b/polymer/eduke32/source/lunatic/defs.ilua
@@ -135,6 +135,7 @@ ffi.cdef[[
 struct action {
     int16_t startframe, numframes;
     int16_t viewtype, incval, delay;
+    uint16_t flags;
 };
 
 struct move {
diff --git a/polymer/eduke32/source/lunatic/doc/lunatic.txt b/polymer/eduke32/source/lunatic/doc/lunatic.txt
index 1d04af287..8e179b40b 100644
--- a/polymer/eduke32/source/lunatic/doc/lunatic.txt
+++ b/polymer/eduke32/source/lunatic/doc/lunatic.txt
@@ -1898,7 +1898,7 @@ The value to add the actor's _current frame_ on each frame advance. May be --1,
 0, or 1.
 // In the wild, sometimes other values, too.
 
-[[action_delay]] `[5] delay`::
+[[action_delay]] `[5] delay` (default: 0)::
 Roughly, the number of <<totalclock,`gv.totalclock`>> time units (120 per
 second) after which a frame is advanced, at a granularity of one game tic (30
 per second, corresponding to a `delay` difference of 4).footnote:[The reason
@@ -1907,6 +1907,8 @@ code increments its hidden ``action tics'' counter by four (= 120/30).]
 
 // TODO: the above can be more precise. State in terms of floor(delay/4).
 
+`[6] flags` (default: 0)::
+
 .Equivalent `action` definitions
 ==========
 Each of the following calls return an action with the same public members:
diff --git a/polymer/eduke32/source/lunatic/lunacon.lua b/polymer/eduke32/source/lunatic/lunacon.lua
index 505436279..095927362 100644
--- a/polymer/eduke32/source/lunatic/lunacon.lua
+++ b/polymer/eduke32/source/lunatic/lunacon.lua
@@ -1961,8 +1961,8 @@ local Couter = {
     move = sp1 * tok.identifier * (sp1 * tok.define)^-2  -- hvel, vvel
         / function(...) Define.composite(LABEL.MOVE, ...) end,
 
-    -- startframe, numframes, viewtype, incval, delay:
-    action = sp1 * tok.identifier * (sp1 * tok.define)^-5 -- ACTION_PARAM_COUNT
+    -- startframe, numframes, viewtype, incval, delay, flags:
+    action = sp1 * tok.identifier * (sp1 * tok.define)^-6 -- ACTION_PARAM_COUNT
         / function(...) Define.composite(LABEL.ACTION, ...) end,
 
     -- action, move, flags...: