diff --git a/architecture/powerpc/config.in b/architecture/powerpc/config.in
index 4699134f6..be6fe1cbb 100644
--- a/architecture/powerpc/config.in
+++ b/architecture/powerpc/config.in
@@ -20,7 +20,7 @@
 # 
 # --- ROCK-COPYRIGHT-NOTE-END ---
 
-choice ROCKCFG_POWERPC_ISA common \
+choice ROCKCFG_POWERPC_ISA powerpc \
 	common		"Utilise the common subset of POWER and PowerPC"	\
 	power		"Utilise the POWER ISA"				\
 	power2		"Utilise the POWER2 ISA"			\