diff --git a/mach/m68020/libem/csa.s b/mach/m68020/libem/csa.s
index 80ef23f81..98a55903c 100644
--- a/mach/m68020/libem/csa.s
+++ b/mach/m68020/libem/csa.s
@@ -1,4 +1,5 @@
 .define	.csa4
+.define .csa
 .sect .text
 .sect .rom
 .sect .data
@@ -8,6 +9,7 @@ ECASE=20
 .sect .text
 
 .csa4:
+.csa:
 		! jump table address in a0
 		! index in d0
 
diff --git a/mach/m68020/libem/csb.s b/mach/m68020/libem/csb.s
index 96b1530c0..97470414a 100644
--- a/mach/m68020/libem/csb.s
+++ b/mach/m68020/libem/csb.s
@@ -1,4 +1,5 @@
 .define	.csb4
+.define .csb
 .sect .text
 .sect .rom
 .sect .data
@@ -8,6 +9,7 @@ ECASE=20
 .sect .text
 
 .csb4:
+.csb:
 		! case descriptor in a0
 		! index in d0