diff --git a/stb_truetype.h b/stb_truetype.h
index 00d22eb..bf546c3 100644
--- a/stb_truetype.h
+++ b/stb_truetype.h
@@ -1,4 +1,4 @@
-// stb_truetype.h - v1.08 - public domain
+// stb_truetype.h - v1.09 - public domain
 // authored from 2009-2015 by Sean Barrett / RAD Game Tools
 //
 //   This library processes TrueType files:
@@ -42,12 +42,14 @@
 //       Sergey Popov
 //       Giumo X. Clanjor
 //       Higor Euripedes
+//       Thomas Fields
 //
 //   Misc other:
 //       Ryan Gordon
 //
 // VERSION HISTORY
 //
+//   1.09 (????-??-??) warning fix
 //   1.08 (2015-09-13) document stbtt_Rasterize(); fixes for vertical & horizontal edges
 //   1.07 (2015-08-01) allow PackFontRanges to accept arrays of sparse codepoints;
 //                     variant PackFontRanges to pack and render in separate phases;
@@ -1556,7 +1558,7 @@ STBTT_DEF void stbtt_FreeShape(const stbtt_fontinfo *info, stbtt_vertex *v)
 
 STBTT_DEF void stbtt_GetGlyphBitmapBoxSubpixel(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y,float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1)
 {
-   int x0,y0,x1,y1;
+   int x0=0,y0=0,x1,y1; // =0 suppresses compiler warning
    if (!stbtt_GetGlyphBox(font, glyph, &x0,&y0,&x1,&y1)) {
       // e.g. space character
       if (ix0) *ix0 = 0;