diff --git a/ext/native/tools/atlastool.cpp b/ext/native/tools/atlastool.cpp
index 024c9da5af..b152f66d0d 100644
--- a/ext/native/tools/atlastool.cpp
+++ b/ext/native/tools/atlastool.cpp
@@ -427,7 +427,7 @@ void RasterizeFonts(const FontReferenceList &fontRefs, vector<CharRange> &ranges
 				dat.ox = 0;
 				dat.oy = 0;
 				dat.wx = 0;
-				dot.voffset = 0;
+				dat.voffset = 0;
 				dat.charNum = kar;
 				dat.effect = FX_RED_TO_ALPHA_SOLID_WHITE;
 				bucket->AddItem(img, dat);