diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index f70f26f880fb8321f3c0eeaed8265eedadd5b168..3636d15fb0c6230d7a982edb8cfc3414692b37b5 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -3684,7 +3684,7 @@ bool LLNormalTextSegment::getDimensionsF32(S32 first_char, S32 num_chars, F32& w
 		height = mFontHeight;
 		const LLWString &text = getWText();
 		// if last character is a newline, then return true, forcing line break
-		width = mStyle->getFont()->getWidthF32(text.c_str(), mStart + first_char, num_chars, false);
+		width = mStyle->getFont()->getWidthF32(text.c_str(), mStart + first_char, num_chars, true) + 1.f;
 	}
 	return false;
 }