diff --git a/src/kits/interface/TextView.cpp b/src/kits/interface/TextView.cpp
index a0d77fbd5d..8f7b91699c 100644
--- a/src/kits/interface/TextView.cpp
+++ b/src/kits/interface/TextView.cpp
@@ -3661,11 +3661,11 @@ BTextView::DrawLines(int32 startLine, int32 endLine, int32 startOffset, bool era
 						view->PopState();
 					}
 					
-					const char *string = fText->GetString(offset, numBytes);
+					const char *string = fText->GetString(offset, tabChars);
 					// TODO: GetString() could return less or more bytes than requested
 					// Improve the backend api so it's more robust and pass back the returned
 					// bytes
-					view->DrawString(string, numBytes);
+					view->DrawString(string, tabChars);
 					
 					if (foundTab) {
 						float penPos = PenLocation().x - fTextRect.left;