diff --git a/indra/llui/llsliderctrl.cpp b/indra/llui/llsliderctrl.cpp
index 04958075db8673d1f8065009e42b061f42d7a569..1c410cc1aa5994fb21cda1a83dbce8d744cc4900 100644
--- a/indra/llui/llsliderctrl.cpp
+++ b/indra/llui/llsliderctrl.cpp
@@ -235,6 +235,10 @@ void LLSliderCtrl::updateText()
 		std::string text = llformat(format.c_str(), displayed_value);
 		if( mEditor )
 		{
+			// Setting editor text here to "" before using actual text is here because if text which
+			// is set is the same as the one which is actually typed into lineeditor, LLLineEditor::setText()
+			// will exit at it's beginning, so text for revert on escape won't be saved. (EXT-8536)
+			mEditor->setText( LLStringUtil::null );
 			mEditor->setText( text );
 		}
 		else