diff --git a/src/backends/edid-parse.c b/src/backends/edid-parse.c
index a51ef4b69..74e167008 100644
--- a/src/backends/edid-parse.c
+++ b/src/backends/edid-parse.c
@@ -206,7 +206,7 @@ decode_edid_info (const uint8_t *edid,
   vendor_product = di_edid_get_vendor_product (di_edid);
 
   /* Manufacturer Code */
-  info->manufacturer_code = g_strdup (vendor_product->manufacturer);
+  info->manufacturer_code = g_strndup (vendor_product->manufacturer, 3);
 
   /* Product Code */
   info->product_code = vendor_product->product;