diff --git a/test/CodeGen/PowerPC/2006-10-11-combiner-aa-regression.ll b/test/CodeGen/PowerPC/2006-10-11-combiner-aa-regression.ll
index a7e531f..474492a 100644
--- a/test/CodeGen/PowerPC/2006-10-11-combiner-aa-regression.ll
+++ b/test/CodeGen/PowerPC/2006-10-11-combiner-aa-regression.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | llc -combiner-alias-analysis | grep 'f5'
+; RUN: llvm-as < %s | llc -march=ppc32 -combiner-alias-analysis | grep 'f5'
 
 target endian = big
 target pointersize = 32