diff --git a/reactos/Makefile b/reactos/Makefile
index 7cd62c11504..dc823d59275 100644
--- a/reactos/Makefile
+++ b/reactos/Makefile
@@ -38,7 +38,7 @@
 #        This can require several minutes to complete. If you only need to check
 #        dependencies for a single or few modules then you can use the
 #        module_depends targets instead. This target can also repair a damaged or
-#        missing makefile-{ROS_ARCH}.auto if needed.
+#        missing makefile-${ROS_ARCH}.auto if needed.
 #
 #    module_depends
 #        These targets do a dependency check of individual modules. Replace module
@@ -125,7 +125,7 @@
 #            -r           Input XML
 #
 #    ROS_AUTOMAKE
-#        Alternate name of makefile.auto
+#        Alternate name of makefile-${ROS_ARCH}.auto
 #
 #    ROS_BUILDENGINE
 #        The Build engine to be used. The variable defaults to rbuild (RBUILD_TARGET)
@@ -158,7 +158,11 @@ else
 endif
 
 ifeq ($(ROS_AUTOMAKE),)
-ROS_AUTOMAKE=makefile.auto
+  ifeq ($(ARCH),i386)
+    ROS_AUTOMAKE=makefile.auto
+  else
+    ROS_AUTOMAKE=makefile-$(ARCH).auto
+  endif
 endif
 
 all: $(ROS_AUTOMAKE)
diff --git a/reactos/ReactOS-arm.rbuild b/reactos/ReactOS-arm.rbuild
index 14c9c2f0fd6..a75411a2ec0 100644
--- a/reactos/ReactOS-arm.rbuild
+++ b/reactos/ReactOS-arm.rbuild
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <!DOCTYPE project SYSTEM "tools/rbuild/project.dtd">
-<project name="ReactOS" makefile="makefile.auto" xmlns:xi="http://www.w3.org/2001/XInclude">
+<project name="ReactOS" makefile="makefile-arm.auto" xmlns:xi="http://www.w3.org/2001/XInclude">
 	<xi:include href="config-arm.rbuild">
 		<xi:fallback>
 			<xi:include href="config-arm.template.rbuild" />
diff --git a/reactos/ReactOS-ppc.rbuild b/reactos/ReactOS-ppc.rbuild
index 343b7539fcf..170c41717a2 100644
--- a/reactos/ReactOS-ppc.rbuild
+++ b/reactos/ReactOS-ppc.rbuild
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <!DOCTYPE project SYSTEM "tools/rbuild/project.dtd">
-<project name="ReactOS" makefile="makefile.ppc" xmlns:xi="http://www.w3.org/2001/XInclude">
+<project name="ReactOS" makefile="makefile-ppc.auto" xmlns:xi="http://www.w3.org/2001/XInclude">
 	<xi:include href="config-ppc.rbuild">
 		<xi:fallback>
 			<xi:include href="config-ppc.template.rbuild" />