diff --git a/conio.h b/conio.h
index 8c66d3a..dce8af2 100644
--- a/conio.h
+++ b/conio.h
@@ -53,30 +53,30 @@
 #endif
 
 /* Esc[2JEsc[1;1H             - Clear screen and move cursor to 1,1 (upper left) pos. */
-#define clrscr()              fputs ("\033[2J\033[1;1H", stdout)
+#define clrscr()              fputs ("\033[2J\033[1;1H", stderr)
 /* Esc[K                      - Erases from the current cursor position to the end of the current line. */
-#define clreol()              fputs ("\033[K", stdout)
+#define clreol()              fputs ("\033[K", stderr)
 /* Esc[2K                     - Erases the entire current line. */
-#define delline()             fputs ("\033[2K", stdout)
+#define delline()             fputs ("\033[2K", stderr)
 /* Esc[Line;ColumnH           - Moves the cursor to the specified position (coordinates) */
-#define gotoxy(x,y)           printf("\033[%d;%dH", y, x)
+#define gotoxy(x,y)           fprintf(stderr, "\033[%d;%dH", y, x)
 /* Esc[?25l (lower case L)    - Hide Cursor */
-#define hidecursor()          fputs ("\033[?25l", stdout)
+#define hidecursor()          fputs ("\033[?25l", stderr)
 /* Esc[?25h (lower case H)    - Show Cursor */
-#define showcursor()          fputs ("\033[?25h", stdout)
+#define showcursor()          fputs ("\033[?25h", stderr)
 
-/* Esc[Value;...;Valuem       - Set Graphics Mode */
-#define __set_gm(attr,color,val)					\
-	if (!color)							\
-		printf("\033[%dm", attr);				\
+/* Esc[Value;...;Valuem       - Set Graphics Mode (attr, color, val) */
+#define __set_gm(a,c,v)							\
+	if (!c)								\
+		fprintf(stderr, "\033[%dm", a);				\
 	else								\
-		printf("\033[%d;%dm", color & 0x10 ? 1 : 0, (color & 0xF) + val)
+		fprintf(stderr, "\033[%d;%dm", c & 0x10 ? 1 : 0, (c & 0xF) + v)
 #define textattr(attr)        __set_gm(attr, 0, 0)
 #define textcolor(color)      __set_gm(RESETATTR, color, 30)
 #define textbackground(color) __set_gm(RESETATTR, color, 40)
 
 #define printheader(fp, line, nl)					\
-	fprintf(fp ?: stdout, "%s\033[7m%s%*s\033[0m\n", nl ? "\n" : "",\
+	fprintf(fp ?: stderr, "%s\033[7m%s%*s\033[0m\n", nl ? "\n" : "",\
 		line, SCREEN_WIDTH - (int)strlen(line), "")
 
 #endif /* CONIO_H_ */