diff --git a/src/add-ons/kernel/drivers/random/Jamfile b/src/add-ons/kernel/drivers/random/Jamfile
index e1a0146ec3..80b598abde 100644
--- a/src/add-ons/kernel/drivers/random/Jamfile
+++ b/src/add-ons/kernel/drivers/random/Jamfile
@@ -3,6 +3,9 @@ SubDir OBOS_TOP src add-ons kernel drivers random ;
 KernelObjects 
 	<$(SOURCE_GRIST)>driver.c 
 	:
-	-fno-pic -D_KERNEL_MODE -O99 -mpentiumpro -march=pentiumpro -Wno-missing-prototypes
+	-fno-pic -D_KERNEL_MODE -Wno-missing-prototypes
 	;
 
+# CFLAGS was arch dependent:
+	-fno-pic -D_KERNEL_MODE -O99 -mpentiumpro -march=pentiumpro -Wno-missing-prototypes
+