diff --git a/c/src/p2fa.c b/c/src/p2fa.c
index 84342f6..6a373f0 100644
--- a/c/src/p2fa.c
+++ b/c/src/p2fa.c
@@ -30,10 +30,9 @@ int draw() {
     UWORD ImageSize = ((EPD_2in13_V4_WIDTH % 8 == 0) ? (EPD_2in13_V4_WIDTH / 8) : (EPD_2in13_V4_WIDTH / 8 + 1)) * EPD_2in13_V4_HEIGHT;
     if ((BlackImage = (UBYTE *) malloc(ImageSize)) == NULL) {
         Debug("Failed to apply for black memory...\n");
-        free(ImageSize);
         return -1;
     }
-    Paint_NewImage(BlackImage, EPD_2in13_V4_WIDTH, EPD_2in13_V4_HEIGHT, 0, WHITE);
+    Paint_NewImage(BlackImage, EPD_2in13_V4_WIDTH, EPD_2in13_V4_HEIGHT, 90, WHITE);
     Paint_Clear(WHITE);
 
     Paint_DrawString(32, 10, "Hello, World!", &Font16, WHITE, BLACK);