diff --git a/src/include/Image.h b/src/include/Image.h
index 2913c4e0..e61481b6 100644
--- a/src/include/Image.h
+++ b/src/include/Image.h
@@ -79,7 +79,7 @@ class Image : virtual public NetworkClient, virtual public Adafruit_GFX
 
     void drawBitmap3Bit(int16_t _x, int16_t _y, const unsigned char *_p, int16_t _w, int16_t _h);
 
-    bool drawBitmapFromBuffer(uint8_t *buf, int x, int y, bool dither, bool invert);
+    bool drawBitmapFromBuffer(const uint8_t *buf, int x, int y, bool dither = 0, bool invert = 0);
 
     bool drawBitmapFromSd(const char *fileName, int x, int y, bool dither = 0, bool invert = 0);
     bool drawBitmapFromSd(SdFile *p, int x, int y, bool dither = 0, bool invert = 0);
@@ -87,7 +87,7 @@ class Image : virtual public NetworkClient, virtual public Adafruit_GFX
     bool drawBitmapFromWeb(const char *url, int x, int y, bool dither = 0, bool invert = 0);
     bool drawBitmapFromWeb(WiFiClient *s, int x, int y, int32_t len, bool dither = 0, bool invert = 0);
 
-    bool drawJpegFromBuffer(uint8_t *buf, int32_t len, int x, int y, bool dither, bool invert);
+    bool drawJpegFromBuffer(uint8_t *buf, int32_t len, int x, int y, bool dither = 0, bool invert = 0);
 
     bool drawJpegFromSd(const char *fileName, int x, int y, bool dither = 0, bool invert = 0);
     bool drawJpegFromSd(SdFile *p, int x, int y, bool dither = 0, bool invert = 0);
diff --git a/src/include/ImageBMP.cpp b/src/include/ImageBMP.cpp
index a7fea934..330dd182 100644
--- a/src/include/ImageBMP.cpp
+++ b/src/include/ImageBMP.cpp
@@ -326,7 +326,10 @@ void Image::displayBmpLine(int16_t x, int16_t y, bitmapHeader *bmpHeader, bool d
             writePixel(x + j, y,
                        (!invert ^ (palette[0] > palette[1])) ^ !!(pixelBuffer[j >> 3] & (1 << (7 - (j & 7)))));
 #else
-            writePixel(x + j, y, (invert ^ (palette[0] > palette[1])) ^ !!(pixelBuffer[j >> 3] & (1 << (7 - (j & 7)))));
+            if (getDisplayMode() == INKPLATE_1BIT)
+                writePixel(x + j, y, (invert ^ (palette[0] > palette[1])) ^ !!(pixelBuffer[j >> 3] & (1 << (7 - (j & 7)))) ? 0 : 1);
+            else
+                writePixel(x + j, y, (invert ^ (palette[0] > palette[1])) ^ !!(pixelBuffer[j >> 3] & (1 << (7 - (j & 7)))) ? 0 : 7);
 #endif
             break;
         }