diff --git a/lib/mapObjects/CArmedInstance.cpp b/lib/mapObjects/CArmedInstance.cpp
index b9d65c791..b7c2aafa7 100644
--- a/lib/mapObjects/CArmedInstance.cpp
+++ b/lib/mapObjects/CArmedInstance.cpp
@@ -135,10 +135,10 @@ CBonusSystemNode * CArmedInstance::whatShouldBeAttached()
 
 void CArmedInstance::writeJsonOptions(JsonNode& json) const
 {
-	CCreatureSet::writeJson(json["army"]);
+	CGObjectInstance::writeJsonOptions(json);
 }
 
 void CArmedInstance::readJsonOptions(const JsonNode& json)
 {
-	CCreatureSet::readJson(json["army"]);
+	CGObjectInstance::readJsonOptions(json);
 }
diff --git a/lib/mapObjects/CGHeroInstance.cpp b/lib/mapObjects/CGHeroInstance.cpp
index 18f9cf2ba..bd055ff90 100644
--- a/lib/mapObjects/CGHeroInstance.cpp
+++ b/lib/mapObjects/CGHeroInstance.cpp
@@ -1472,14 +1472,14 @@ bool CGHeroInstance::hasVisions(const CGObjectInstance * target, const int subty
 
 void CGHeroInstance::writeJsonOptions(JsonNode& json) const
 {
-	CArmedInstance::writeJsonOptions(json);
+	CCreatureSet::writeJson(json["army"]);
 	CGObjectInstance::writeOwner(json);
 	CArtifactSet::writeJson(json["artifacts"]);
 }
 
 void CGHeroInstance::readJsonOptions(const JsonNode& json)
 {
-	CArmedInstance::readJsonOptions(json);
+	CCreatureSet::readJson(json["army"]);
 	CGObjectInstance::readOwner(json);
 	CArtifactSet::readJson(json["artifacts"]);
 }
diff --git a/lib/mapObjects/MiscObjects.cpp b/lib/mapObjects/MiscObjects.cpp
index c8550183b..2ce4872b9 100644
--- a/lib/mapObjects/MiscObjects.cpp
+++ b/lib/mapObjects/MiscObjects.cpp
@@ -792,7 +792,7 @@ void CGMine::blockingDialogAnswered(const CGHeroInstance *hero, ui32 answer) con
 
 void CGMine::writeJsonOptions(JsonNode & json) const
 {
-	CArmedInstance::writeJsonOptions(json);
+	CCreatureSet::writeJson(json["army"]);
 
 	if(isAbandoned())
 	{
@@ -814,7 +814,7 @@ void CGMine::writeJsonOptions(JsonNode & json) const
 
 void CGMine::readJsonOptions(const JsonNode & json)
 {
-	CArmedInstance::readJsonOptions(json);
+	CCreatureSet::readJson(json["army"]);
 
 	if(isAbandoned())
 	{
@@ -1874,14 +1874,14 @@ void CGGarrison::battleFinished(const CGHeroInstance *hero, const BattleResult &
 
 void CGGarrison::writeJsonOptions(JsonNode& json) const
 {
-	CArmedInstance::writeJsonOptions(json);
+	CCreatureSet::writeJson(json["army"]);
 	CGObjectInstance::writeOwner(json);
 	json["removableUnits"].Bool() = removableUnits;
 }
 
 void CGGarrison::readJsonOptions(const JsonNode& json)
 {
-	CArmedInstance::readJsonOptions(json);
+	CCreatureSet::readJson(json["army"]);
 	CGObjectInstance::readOwner(json);
 	removableUnits = json["removableUnits"].Bool();
 }