diff --git a/test/lit.cfg b/test/lit.cfg
index 76b182747e5..79eaa23c8ba 100644
--- a/test/lit.cfg
+++ b/test/lit.cfg
@@ -149,8 +149,9 @@ config.substitutions.append( ('%mcjit_triple', mcjit_triple) )
 
 # Provide a substition for those tests that need to run the jit to obtain data
 # but simply want use the currently considered most reliable jit for platform
+# FIXME: ppc32 is not ready for mcjit.
 if 'arm' in config.target_triple \
-   or 'powerpc' in config.target_triple:
+   or 'powerpc64' in config.target_triple:
     defaultIsMCJIT = 'true'
 else:
     defaultIsMCJIT = 'false'