diff --git a/src/add-ons/kernel/drivers/audio/echo/gals/Jamfile b/src/add-ons/kernel/drivers/audio/echo/gals/Jamfile
index f6c4342e65..73755ea7ef 100644
--- a/src/add-ons/kernel/drivers/audio/echo/gals/Jamfile
+++ b/src/add-ons/kernel/drivers/audio/echo/gals/Jamfile
@@ -10,7 +10,7 @@ UsePrivateHeaders [ FDirName kernel ] ;			# For kernel_cpp.cpp
 # set some additional defines
 {
 	SubDirCcFlags -DECHO_BEOS -DECHOGALS_FAMILY ;
-	SubDirC++Flags -DECHO_BEOS -DECHOGALS_FAMILY ;
+	SubDirC++Flags -DECHO_BEOS -DECHOGALS_FAMILY -fno-rtti ;
 }
 
 R5KernelAddon echogals : kernel drivers bin :