diff --git a/src/arch/i386/include/bzimage.h b/src/arch/i386/include/bzimage.h
index ccf8e353..7e42e318 100644
--- a/src/arch/i386/include/bzimage.h
+++ b/src/arch/i386/include/bzimage.h
@@ -137,6 +137,6 @@ struct bzimage_cmdline {
 #define BZI_STACK_SIZE 0x1000
 
 /** Maximum size of command line */
-#define BZI_CMDLINE_SIZE 0x100
+#define BZI_CMDLINE_SIZE 0x7ff
 
 #endif /* _BZIMAGE_H */