diff --git a/src/main/java/ch/njol/skript/bukkitutil/block/NewBlockCompat.java b/src/main/java/ch/njol/skript/bukkitutil/block/NewBlockCompat.java
index 2d54d757b56..bef3b585528 100644
--- a/src/main/java/ch/njol/skript/bukkitutil/block/NewBlockCompat.java
+++ b/src/main/java/ch/njol/skript/bukkitutil/block/NewBlockCompat.java
@@ -356,7 +356,8 @@ public BlockValues createBlockValues(Material type, Map<String, String> states,
 			return new NewBlockValues(type, data, false);
 		} catch (IllegalArgumentException e) {
 			Skript.error("Parsing block state " + combined + " failed!");
-			e.printStackTrace();
+			if (Skript.debug())
+				e.printStackTrace();
 			return null;
 		}
 	}