diff --git a/PowerEditor/src/WinControls/PluginsAdmin/pluginsAdmin.cpp b/PowerEditor/src/WinControls/PluginsAdmin/pluginsAdmin.cpp
index cb8cfdc07..f4cf1d124 100644
--- a/PowerEditor/src/WinControls/PluginsAdmin/pluginsAdmin.cpp
+++ b/PowerEditor/src/WinControls/PluginsAdmin/pluginsAdmin.cpp
@@ -684,7 +684,7 @@ bool PluginViewList::removeFromListIndex(size_t index2remove)
 
 	for (size_t i = 0; i < _ui.nbItem(); ++i)
 	{
-		if (_ui.getLParamFromIndex(i) == reinterpret_cast<LPARAM>(_list[index2remove]))
+		if (_ui.getLParamFromIndex(static_cast<int>(i)) == reinterpret_cast<LPARAM>(_list[index2remove]))
 		{
 			if (!_ui.removeFromIndex(i))
 				return false;
@@ -700,9 +700,9 @@ bool PluginViewList::removeFromPluginInfoPtr(PluginUpdateInfo* pluginInfo2hide)
 {
 	for (size_t i = 0; i < _ui.nbItem(); ++i)
 	{
-		if (_ui.getLParamFromIndex(i) == reinterpret_cast<LPARAM>(pluginInfo2hide))
+		if (_ui.getLParamFromIndex(static_cast<int>(i)) == reinterpret_cast<LPARAM>(pluginInfo2hide))
 		{
-			if (!_ui.removeFromIndex(i))
+			if (!_ui.removeFromIndex(static_cast<int>(i)))
 			{
 				return false;
 			}
@@ -725,9 +725,9 @@ bool PluginViewList::hideFromPluginInfoPtr(PluginUpdateInfo* pluginInfo2hide)
 {
 	for (size_t i = 0; i < _ui.nbItem(); ++i)
 	{
-		if (_ui.getLParamFromIndex(i) == reinterpret_cast<LPARAM>(pluginInfo2hide))
+		if (_ui.getLParamFromIndex(static_cast<int>(i)) == reinterpret_cast<LPARAM>(pluginInfo2hide))
 		{
-			if (!_ui.removeFromIndex(i))
+			if (!_ui.removeFromIndex(static_cast<int>(i)))
 			{
 				return false;
 			}
@@ -769,9 +769,9 @@ bool PluginViewList::hideFromListIndex(size_t index2hide)
 
 	for (size_t i = 0; i < _ui.nbItem(); ++i)
 	{
-		if (_ui.getLParamFromIndex(i) == reinterpret_cast<LPARAM>(_list[index2hide]))
+		if (_ui.getLParamFromIndex(static_cast<int>(i)) == reinterpret_cast<LPARAM>(_list[index2hide]))
 		{
-			if (!_ui.removeFromIndex(i))
+			if (!_ui.removeFromIndex(static_cast<int>(i)))
 				return false;
 		}
 	}
diff --git a/PowerEditor/src/WinControls/PluginsAdmin/pluginsAdmin.h b/PowerEditor/src/WinControls/PluginsAdmin/pluginsAdmin.h
index 233e0b1b0..cb5fd7aed 100644
--- a/PowerEditor/src/WinControls/PluginsAdmin/pluginsAdmin.h
+++ b/PowerEditor/src/WinControls/PluginsAdmin/pluginsAdmin.h
@@ -109,7 +109,7 @@ public:
 	void reSizeView(RECT & rc) { _ui.reSizeTo(rc); }
 	void setViewStyleOption(int32_t extraStyle) { _ui.setStyleOption(extraStyle); };
 	size_t nbItem() const { return _ui.nbItem(); };
-	PluginUpdateInfo* getPluginInfoFromUiIndex(int index) const { return reinterpret_cast<PluginUpdateInfo*>(_ui.getLParamFromIndex(index)); };
+	PluginUpdateInfo* getPluginInfoFromUiIndex(size_t index) const { return reinterpret_cast<PluginUpdateInfo*>(_ui.getLParamFromIndex(static_cast<int>(index))); };
 	PluginUpdateInfo* findPluginInfoFromFolderName(const generic_string& folderName, int& index) const;
 	bool removeFromListIndex(size_t index2remove);
 	bool hideFromListIndex(size_t index2Hide);