diff --git a/src/uncategorized/BackwardsCompatibility.tw b/src/uncategorized/BackwardsCompatibility.tw
index 4d20f9ed370ff8b4598066b30d78fe39f1ffb5ab..45f743f30d32db3e3432c293bfd07e7d77454d51 100644
--- a/src/uncategorized/BackwardsCompatibility.tw
+++ b/src/uncategorized/BackwardsCompatibility.tw
@@ -3411,6 +3411,8 @@ Setting missing slave variables:
 <<for _bci = 0; _bci < $genePool.length; _bci++>>
 	<<set _Slave = $genePool[_bci]>>
 
+	<<PMODinit _Slave>>
+	
 	<<if $genePool.map(function(s) { return s.ID; }).count(_Slave.ID) > 1>> /* first check for duplicate IDs, keep the first entry and delete the others */
 		<<for _bci2 = _bci + 1; _bci2 < $genePool.length; _bci2++>>
 			<<if $genePool[_bci2].ID == _Slave.ID>>