diff --git a/extra/lsys/strings/interpret/interpret.factor b/extra/lsys/strings/interpret/interpret.factor
index 1d992cc1e2..8d27b29d22 100644
--- a/extra/lsys/strings/interpret/interpret.factor
+++ b/extra/lsys/strings/interpret/interpret.factor
@@ -22,7 +22,7 @@ VAR: command-table
 : exec-command* ( string -- )
   [ parameter ] [ command ] bi
   command-table> at dup
-  [ 1 tail* call ] [ 3drop ] if ;
+  [ 1 tail* call ] [ 2drop ] if ;
 
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