diff --git a/mozilla/layout/svg/base/src/nsSVGTSpanFrame.cpp b/mozilla/layout/svg/base/src/nsSVGTSpanFrame.cpp
index 0839054d6b3..b8083f9c0a5 100644
--- a/mozilla/layout/svg/base/src/nsSVGTSpanFrame.cpp
+++ b/mozilla/layout/svg/base/src/nsSVGTSpanFrame.cpp
@@ -227,7 +227,7 @@ nsSVGTSpanFrame::GetNextGlyphFragment()
 NS_IMETHODIMP_(void)
 nsSVGTSpanFrame::SetWhitespaceHandling(PRUint8 aWhitespaceHandling)
 {
-  return nsSVGTSpanFrameBase::SetWhitespaceHandling();
+  nsSVGTSpanFrameBase::SetWhitespaceHandling();
 }
 
 NS_IMETHODIMP_(void)