1 files changed, 3 insertions, 1 deletions
diff --git a/magnets.c b/magnets.c
index c970eee..beeedf5 100644
--- a/magnets.c
+++ b/magnets.c
@@ -1809,8 +1809,10 @@ static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds,
             movech = ' ';
         else
             movech = '.';
-    } else
+    } else {
         assert(!"unknown action");
+	movech = 0;		       /* placate optimiser */
+    }
 
     sprintf(buf, "%c%d,%d", movech, gx, gy);