diff --git a/src/SecExp/SecExpBackwardCompatibility.tw b/src/SecExp/SecExpBackwardCompatibility.tw
index 17b38dcb25ba54c9955115271c3d74ccc42ef305..7e471b4611ababd3632a30b55244bb0eae7da7ca 100644
--- a/src/SecExp/SecExpBackwardCompatibility.tw
+++ b/src/SecExp/SecExpBackwardCompatibility.tw
@@ -43,6 +43,7 @@
 <<if ndef $lastAttackWeeks>>
 	<<set $lastAttackWeeks = 0>>
 <</if>>
+<<set $lastRebellionWeeks = Number($lastRebellionWeeks) || 0>>
 <<if ndef $hasFoughtOnce>>
 	<<set $hasFoughtOnce = 0>>
 <</if>>
diff --git a/src/SecExp/secInit.tw b/src/SecExp/secInit.tw
index 84654fea324a557daadaa58dc5aa99f3cf083d91..39fea547054bf9aa89b5b95573c7bb9167522896 100644
--- a/src/SecExp/secInit.tw
+++ b/src/SecExp/secInit.tw
@@ -14,6 +14,7 @@
 <<set $attackType = "none">>
 <<set $attackThisWeek = 0>>
 <<set $lastAttackWeeks = 0>>
+<<set $lastRebellionWeeks = 0>>
 <<set $hasFoughtOnce = 0>>
 <<set $hasFoughtMajorBattleOnce = 0>>
 <<set $hasRebelledOnce = 0>>