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-rw-r--r--src/drivers/pc80/vga/vga.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/drivers/pc80/vga/vga.c b/src/drivers/pc80/vga/vga.c
index a52ba6dc1f..a9befcaccc 100644
--- a/src/drivers/pc80/vga/vga.c
+++ b/src/drivers/pc80/vga/vga.c
@@ -267,7 +267,7 @@ vga_write_at_offset(unsigned int line, unsigned int offset, const char *string)
for (i = 0; i < (VGA_COLUMNS - offset); i++) {
if (i < len)
- p[i] = 0x0F00 | string[i];
+ p[i] = 0x0F00 | (unsigned char)string[i];
else
p[i] = 0x0F00;
}