diff --git a/glcd.c b/glcd.c
index 51c62828..930a7e40 100644
--- a/glcd.c
+++ b/glcd.c
@@ -319,7 +319,7 @@ void lcdDrawCircle(uint16_t x, uint16_t y, uint16_t radius, uint8_t filled, uint
 		} while(a <= b);
 }
 
-void lcdDrawEllipse(uint16_t x, uint16_t y, uint16_t a, uint16_t b, uint16_t color, uint8_t filled) {
+void lcdDrawEllipse(uint16_t x, uint16_t y, uint16_t a, uint16_t b, uint8_t filled, uint16_t color) {
 	int dx = 0, dy = b; /* im I. Quadranten von links oben nach rechts unten */
 	long a2 = a*a, b2 = b*b;
 	long err = b2-(2*b-1)*a2, e2; /* Fehler im 1. Schritt */
diff --git a/glcd.h b/glcd.h
index e4a5d509..ac699dba 100644
--- a/glcd.h
+++ b/glcd.h
@@ -67,7 +67,7 @@ void lcdDrawLine(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t co
 void lcdDrawRect(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint8_t filled, uint16_t color);
 void lcdDrawRectString(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, const char* str, font_t font, uint16_t fontColor, uint16_t bkColor);
 void lcdDrawCircle(uint16_t x, uint16_t y, uint16_t radius, uint8_t filled, uint16_t color);
-void lcdDrawEllipse(uint16_t x, uint16_t y, uint16_t a, uint16_t b, uint16_t color, uint8_t filled);
+void lcdDrawEllipse(uint16_t x, uint16_t y, uint16_t a, uint16_t b, uint8_t filled, uint16_t color);
 
 /* Text Rendering Functions */
 int lcdDrawChar(uint16_t cx, uint16_t cy, char c, font_t font, uint16_t color, uint16_t bkcolor, bool_t tpText);