diff --git a/libs/hwui/FontRenderer.cpp b/libs/hwui/FontRenderer.cpp
index 7e99a5fd44d29..00e78708dd315 100644
--- a/libs/hwui/FontRenderer.cpp
+++ b/libs/hwui/FontRenderer.cpp
@@ -353,7 +353,7 @@ void FontRenderer::cacheBitmap(const SkGlyph& glyph, CachedGlyphInfo* cachedGlyp
                 memset(dstR += dstStride, 0, borderSize); // trailing border column
             }
             // write trailing border line
-            memset(dstL, 0, rowSize + 2 * borderSize);
+            memset(dstL += dstStride, 0, rowSize + 2 * borderSize);
             break;
         }
         case SkMask::kBW_Format: {