diff --git a/tools/flang2/flang2exe/llassem.c b/tools/flang2/flang2exe/llassem.c
index 5b798b7a9d22..c6f1f1a9957b 100644
--- a/tools/flang2/flang2exe/llassem.c
+++ b/tools/flang2/flang2exe/llassem.c
@@ -170,6 +170,9 @@ static int global_sptr; /* use to prepend for CUDA constructor static
 
 
 #ifdef TARGET_POWER
+#define CACHE_ALIGN 31
+#define ALN_UNIT 32
+#elif TARGET_POWER
 #define CACHE_ALIGN 127
 #define ALN_UNIT 128
 #else