diff --git a/src/system/ether.1 b/src/system/ether.1
index fa27b3fa..0a7fecc1 100644
--- a/src/system/ether.1
+++ b/src/system/ether.1
@@ -275,6 +275,10 @@ UNADNI:	CPOPJ			;Call this after a DNI interrupt
 UNARCB:	0			;Have we seen an RCBI interrupt?
 ;FIXME A flags word would make more sense (if we ever need a second flag!)
 
+;FIXME For horrible hack below
+	BLOCK 2000-<.&1777>	;Align to a page boundary
+UNPGHK:	BLOCK 2000*%UNNPG
+
 BBLK
 
 ;BUG INFO the UNA's registers.
@@ -307,13 +311,24 @@ UNDPCB:	PUSH P,A
 ;
 UNAINI:	MOVEI D,%UNNPG-1
 
-UNAIN1:	PUSHJ P,TCALL		;Allocate a page of unshuffleable low core
+UNAIN1:
+IFN 0,[
+;FIXME This causes the core job to crash later...
+	PUSHJ P,TCALL		;Allocate a page of unshuffleable low core
 	 JRST IOMQ
-	  BUG HALT,[Couldn't allocate page for UNA]
+	  BUG HALT,[Couldn't allocate page for DEUNA]
+
 	MOVEI B,MUETH		;Tag what it's being used for
 	DPB B,[MUR,,MEMBLT(A)]
 
 	LSH A,10.		;Save the pointer
+]
+IFE 0,[
+	MOVEI A,2000		;Use statically-allocated block above
+	IMUL A,D
+	ADDI A,UNPGHK
+]
+
 	MOVEM A,UNPAGS(D)
 
 	MOVE B,A