diff --git a/Extensions/Sprite.cpp b/Extensions/Sprite.cpp
index 832abb9..faeaae2 100644
--- a/Extensions/Sprite.cpp
+++ b/Extensions/Sprite.cpp
@@ -716,7 +716,7 @@ void  TFT_eSprite::pushImage(int32_t x, int32_t y, int32_t w, int32_t h, const u
     uint32_t ww =  (w+7) & 0xFFF8;
     for (int32_t yp = 0; yp<h; yp++)
     {
-      for (int32_t xp = 0; xp<ww; xp+=8)
+      for (int32_t xp = 0; (uint32_t)xp < ww; xp+=8)
       {
         uint8_t pbyte = pgm_read_byte(pdata++);
         for (uint8_t xc = 0; xc < 8; xc++)
@@ -1679,7 +1679,7 @@ int16_t TFT_eSprite::drawChar(uint16_t uniCode, int32_t x, int32_t y, uint8_t fo
     if ((font>2) && (font<9))
     {
       // This is slower than above but is more convenient for the RLE fonts
-      flash_address = pgm_read_dword( (const void*)pgm_read_dword( &(fontdata[font].chartbl ) ) + uniCode*sizeof(void *) );
+      flash_address = pgm_read_dword( (const void*)(pgm_read_dword( &(fontdata[font].chartbl ) ) + uniCode*sizeof(void *) ));
       width = pgm_read_byte( (uint8_t *)pgm_read_dword( &(fontdata[font].widthtbl ) ) + uniCode );
       height= pgm_read_byte( &fontdata[font].height );
     }
diff --git a/TFT_eSPI.cpp b/TFT_eSPI.cpp
index ad27dcb..85e814f 100644
--- a/TFT_eSPI.cpp
+++ b/TFT_eSPI.cpp
@@ -35,9 +35,9 @@
 
 // If it is a 16bit serial display we must transfer 16 bits every time
 #ifdef RPI_ILI9486_DRIVER
-  #define CMD_BITS 16-1
+  #define CMD_BITS (16-1)
 #else
-  #define CMD_BITS 8-1
+  #define CMD_BITS (8-1)
 #endif
 
 // Fast block write prototype
@@ -4270,7 +4270,7 @@ int16_t TFT_eSPI::drawChar(uint16_t uniCode, int32_t x, int32_t y, uint8_t font)
   {
     if ((font>2) && (font<9))
     {
-      flash_address = pgm_read_dword( (const void*)pgm_read_dword( &(fontdata[font].chartbl ) ) + uniCode*sizeof(void *) );
+      flash_address = pgm_read_dword( (const void*)(pgm_read_dword( &(fontdata[font].chartbl ) ) + uniCode*sizeof(void *)));
       width = pgm_read_byte( (uint8_t *)pgm_read_dword( &(fontdata[font].widthtbl ) ) + uniCode );
       height= pgm_read_byte( &fontdata[font].height );
     }