1 files changed, 1 insertions, 1 deletions
diff --git a/av.c b/av.c
index 5aac5b1c80..d683df9420 100644
--- a/av.c
+++ b/av.c
@@ -92,7 +92,7 @@ av_extend(AV *av, I32 key)
 		U32 bytes;
 #endif
 
-#ifdef MYMALLOC
+#if defined(MYMALLOC) && !defined(PURIFY)
 		newmax = malloced_size((void*)AvALLOC(av))/sizeof(SV*) - 1;
 
 		if (key <= newmax)