diff --git a/source/Piston.cpp b/source/Piston.cpp
index b5fda1600..136100922 100644
--- a/source/Piston.cpp
+++ b/source/Piston.cpp
@@ -21,7 +21,7 @@ extern bool g_BlockPistonBreakable[];
 
 
 /// Number of ticks that the piston extending / retracting waits before setting the block
-const int PISTON_TICK_DELAY = 10;
+const int PISTON_TICK_DELAY = 20;