diff --git a/Minecraft.Client/Common/UI/IUIScene_CreativeMenu.cpp b/Minecraft.Client/Common/UI/IUIScene_CreativeMenu.cpp
index bda2228e..0099cea6 100644
--- a/Minecraft.Client/Common/UI/IUIScene_CreativeMenu.cpp
+++ b/Minecraft.Client/Common/UI/IUIScene_CreativeMenu.cpp
@@ -880,7 +880,7 @@ void IUIScene_CreativeMenu::TabSpec::populateMenu(AbstractContainerMenu *menu, i
 	for(; currentGroup < m_staticGroupsCount; ++currentGroup)
 	{
 		int size = categoryGroups[m_staticGroupsA[currentGroup]].size();
-		if( currentIndex + size < startIndex)
+		if( currentIndex + size <= startIndex)
 		{
 			currentIndex += size;
 			continue;
@@ -930,7 +930,7 @@ void IUIScene_CreativeMenu::TabSpec::populateMenu(AbstractContainerMenu *menu, i
 			for(; currentGroup < m_debugGroupsCount; ++currentGroup)
 			{
 				int size = categoryGroups[m_debugGroupsA[currentGroup]].size();
-				if( currentIndex + size < startIndex)
+				if( currentIndex + size <= startIndex)
 				{
 					currentIndex += size;
 					continue;
@@ -971,7 +971,9 @@ unsigned int IUIScene_CreativeMenu::TabSpec::getPageCount()
 #ifndef _CONTENT_PACKAGE
 	if(app.DebugArtToolsOn())
 	{
-		return (int)ceil((float)(m_staticItems + m_debugItems) / m_staticPerPage);
+		int totalItems = m_staticItems + m_debugItems;
+		const int totalRows = (totalItems + columns - 1) / columns;
+		return std::max<int>(1, totalRows - rows + 1);
 	}
 	else
 #endif