diff --git a/README.md b/README.md
index 8523cbf..f9daa77 100644
--- a/README.md
+++ b/README.md
@@ -169,8 +169,15 @@ information:
 
   *(Available from version 0.45.)*
 
+* `get_window_is_minimised`
+  <a name="user-content-get-window-is-minimised"></a>
+
+  Returns `true` if the window is minimised, `false` otherwise.
+
+  *(Available from version 0.46; -`ized` from 0.46)*
+
 * `get_window_is_maximised`
-  <a name="user-content-get-window-is-maximised`
+  <a name="user-content-get-window-is-maximised"></a>
 
   Returns `true` if the window is maximised, `false` otherwise.
 
diff --git a/src/script.c b/src/script.c
index 399680b..3f77b8b 100644
--- a/src/script.c
+++ b/src/script.c
@@ -132,6 +132,8 @@ register_cfunctions(lua_State *lua)
 	DP2_REGISTER(lua, set_skip_tasklist);
 	DP2_REGISTER(lua, set_skip_pager);
 
+	DP2_REGISTER(lua, get_window_is_minimized);
+	lua_register(lua, "get_window_is_minimised", c_get_window_is_minimized);
 	DP2_REGISTER(lua, get_window_is_maximized);
 	lua_register(lua, "get_window_is_maximised", c_get_window_is_maximized);
 
diff --git a/src/script_functions.c b/src/script_functions.c
index 240d582..1fca008 100644
--- a/src/script_functions.c
+++ b/src/script_functions.c
@@ -781,7 +781,7 @@ int c_minimize(lua_State *lua)
 	if (!devilspie2_emulate) {
 		WnckWindow *window = get_current_window();
 
-		if (window) {
+		if (window && FALSE == wnck_window_is_minimized(window)) {
 			wnck_window_minimize(window);
 		}
 	}
@@ -802,7 +802,7 @@ int c_unminimize(lua_State *lua)
 	if (!devilspie2_emulate) {
 		WnckWindow *window = get_current_window();
 
-		if (window) {
+		if (window && TRUE == wnck_window_is_minimized(window)) {
 			wnck_window_unminimize (window, current_time());
 		}
 	}
@@ -1406,6 +1406,19 @@ int c_set_skip_pager(lua_State *lua)
 	return 0;
 }
 
+int c_get_window_is_minimized(lua_State *lua)
+{
+	if (!check_param_count(lua, "get_window_is_minimized", 0)) {
+		return 0;
+	}
+
+	WnckWindow *window = get_current_window();
+	gboolean is_minimized = window ? wnck_window_is_minimized(window) : FALSE;
+
+	lua_pushboolean(lua, is_minimized);
+
+	return 1;
+}
 
 /**
  *
diff --git a/src/script_functions.h b/src/script_functions.h
index 6a2f2d0..8ed2d1c 100644
--- a/src/script_functions.h
+++ b/src/script_functions.h
@@ -86,6 +86,7 @@ int c_get_window_frame_extents(lua_State *lua);
 int c_set_skip_tasklist(lua_State *lua);
 int c_set_skip_pager(lua_State *lua);
 
+int c_get_window_is_minimized(lua_State *lua);
 int c_get_window_is_maximized(lua_State *lua);
 int c_get_window_is_maximized_vertically(lua_State *lua);
 int c_get_window_is_maximized_horisontally(lua_State *lua); // deprecated