diff --git a/reactos/Makefile b/reactos/Makefile
index ab1b16d1ae5..d3a85aae112 100644
--- a/reactos/Makefile
+++ b/reactos/Makefile
@@ -380,7 +380,7 @@ else
 endif
 INSTALL_ := $(INSTALL)$(SEP)
 
-RBUILD_FLAGS := -rReactOS-$(ARCH).rbuild
+RBUILD_FLAGS := -rReactOS-$(ARCH).rbuild -DARCH=$(ARCH)
 
 $(INTERMEDIATE):
 	${mkdir} $@
diff --git a/reactos/config-ppc.template.rbuild b/reactos/config-ppc.template.rbuild
index c5f7cf1d0f9..aee4e34983a 100644
--- a/reactos/config-ppc.template.rbuild
+++ b/reactos/config-ppc.template.rbuild
@@ -12,12 +12,6 @@
 -->
 
 
-<!--
-  Architecture to build for. Specify one of:
-    i386
--->
-<property name="ARCH" value="powerpc" />
-
 <!--
   Sub-architecture to build for. Specify one of:
     xbox
diff --git a/reactos/config.template.rbuild b/reactos/config.template.rbuild
index bf0ad6fd23f..f5b96a1b0a4 100644
--- a/reactos/config.template.rbuild
+++ b/reactos/config.template.rbuild
@@ -12,12 +12,6 @@
 -->
 
 
-<!--
-  Architecture to build for. Specify one of:
-    i386
--->
-<property name="ARCH" value="i386" />
-
 <!--
   Sub-architecture to build for. Specify one of:
     xbox