diff --git a/Extensions/Smooth_font.cpp b/Extensions/Smooth_font.cpp
index f63b45c..6e5f89d 100644
--- a/Extensions/Smooth_font.cpp
+++ b/Extensions/Smooth_font.cpp
@@ -124,7 +124,7 @@ void TFT_eSPI::loadMetrics(uint16_t gCount)
   gHeight   =  (uint8_t*)malloc( gCount );    // Height of glyph
   gWidth    =  (uint8_t*)malloc( gCount );    // Width of glyph
   gxAdvance =  (uint8_t*)malloc( gCount );    // xAdvance - to move x cursor
-  gdY       =   (int8_t*)malloc( gCount );    // offset from bitmap top edge from lowest point in any character
+  gdY       =  (int16_t*)malloc( gCount * 2); // offset from bitmap top edge from lowest point in any character
   gdX       =   (int8_t*)malloc( gCount );    // offset for bitmap left edge relative to cursor X
   gBitmap   = (uint32_t*)malloc( gCount * 4); // seek pointer to glyph bitmap in SPIFFS file
 
@@ -141,7 +141,7 @@ void TFT_eSPI::loadMetrics(uint16_t gCount)
     gHeight[gNum]   =  (uint8_t)readInt32(); // Height of glyph
     gWidth[gNum]    =  (uint8_t)readInt32(); // Width of glyph
     gxAdvance[gNum] =  (uint8_t)readInt32(); // xAdvance - to move x cursor
-    gdY[gNum]       =   (int8_t)readInt32(); // y delta from baseline
+    gdY[gNum]       =  (int16_t)readInt32(); // y delta from baseline
     gdX[gNum]       =   (int8_t)readInt32(); // x delta from cursor
     readInt32(); // ignored
 
diff --git a/Extensions/Smooth_font.h b/Extensions/Smooth_font.h
index aa51855..c1cc483 100644
--- a/Extensions/Smooth_font.h
+++ b/Extensions/Smooth_font.h
@@ -35,7 +35,7 @@ fontMetrics gFont = { 0, 0, 0, 0, 0, 0, 0 };
   uint8_t*  gHeight = NULL;   //cheight
   uint8_t*  gWidth = NULL;    //cwidth
   uint8_t*  gxAdvance = NULL; //setWidth
-  int8_t*   gdY = NULL;       //topExtent
+  int16_t*  gdY = NULL;       //topExtent
   int8_t*   gdX = NULL;       //leftExtent
   uint32_t* gBitmap = NULL;   //file pointer to greyscale bitmap