diff --git a/kernel/drivers/video/vga.c b/kernel/drivers/video/vga.c
index 9f4eb88..3edb4ca 100644
--- a/kernel/drivers/video/vga.c
+++ b/kernel/drivers/video/vga.c
@@ -37,7 +37,7 @@ term_putentryat(char c, uint8_t color, size_t x, size_t y)
 void
 term_putchar(char c)
 {
-        term_putentryat(c, term_color, term_row);
+        term_putentryat(c, term_color, term_col, term_row);
         if (++term_col == VGA_WIDTH) {
                 term_col = 0;
                 if (++term_row == VGA_HEIGHT) {
@@ -49,7 +49,7 @@ term_putchar(char c)
 void
 term_writestr(const char* data)
 {
-        for (size_t i = 0; i < strlen(data); i++) {
+        for (size_t i = 0; data[i] != '\0'; i++) {
                 term_putchar(data[i]);
         }
 }
diff --git a/kernel/include/drivers/video/vga.h b/kernel/include/drivers/video/vga.h
index 5c320e1..fae89c9 100644
--- a/kernel/include/drivers/video/vga.h
+++ b/kernel/include/drivers/video/vga.h
@@ -41,10 +41,10 @@ vga_entry(unsigned char uc, uint8_t color)
 #define VGA_HEIGHT 25
 #define VGA_MEMORY 0xB8000 /* VGA memory location */
 
-void term init(void);
+void term_init(void);
 void term_setcolor(uint8_t color);
 void term_putentryat(char c, uint8_t color, size_t x, size_t y);
 void term_putchar(char c);
 void term_writestr(const char* data);
 
-#endif #VGA_H
+#endif // VGA_H