diff --git a/lib/mapObjects/CGHeroInstance.cpp b/lib/mapObjects/CGHeroInstance.cpp
index 4785f1eb7..be7f0efda 100644
--- a/lib/mapObjects/CGHeroInstance.cpp
+++ b/lib/mapObjects/CGHeroInstance.cpp
@@ -1117,7 +1117,9 @@ std::vector<SecondarySkill> CGHeroInstance::getLevelUpProposedSecondarySkills()
 	std::vector<SecondarySkill> obligatorySkills; //hero is offered magic school or wisdom if possible
 	if (!skillsInfo.wisdomCounter)
 	{
-		if (cb->isAllowed(2, SecondarySkill::WISDOM) && !getSecSkillLevel(SecondarySkill::WISDOM))
+		if (cb->isAllowed(2, SecondarySkill::WISDOM) &&
+				!getSecSkillLevel(SecondarySkill::WISDOM) &&
+				type->heroClass->secSkillProbability[SecondarySkill::WISDOM] > 0)
 			obligatorySkills.push_back(SecondarySkill::WISDOM);
 	}
 	if (!skillsInfo.magicSchoolCounter)
@@ -1131,7 +1133,7 @@ std::vector<SecondarySkill> CGHeroInstance::getLevelUpProposedSecondarySkills()
 
 		for (auto skill : ss)
 		{
-			if (cb->isAllowed(2, skill) && !getSecSkillLevel(skill)) //only schools hero doesn't know yet
+			if (cb->isAllowed(2, skill) && !getSecSkillLevel(skill) && type->heroClass->secSkillProbability[skill] > 0) //only schools hero doesn't know yet
 			{
 				obligatorySkills.push_back(skill);
 				break; //only one
@@ -1143,7 +1145,7 @@ std::vector<SecondarySkill> CGHeroInstance::getLevelUpProposedSecondarySkills()
 	//picking sec. skills for choice
 	std::set<SecondarySkill> basicAndAdv, expert, none;
 	for(int i = 0; i < VLC->skillh->size(); i++)
-		if (cb->isAllowed(2,i))
+		if (cb->isAllowed(2,i) && type->heroClass->secSkillProbability[i] > 0)
 			none.insert(SecondarySkill(i));
 
 	for(auto & elem : secSkills)