diff --git a/openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c b/openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c
index 0ce810a52c..7f4f4cf5f6 100644
--- a/openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c
+++ b/openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c
@@ -1442,7 +1442,7 @@ unsigned int  ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
     }
 
 #if defined(__x86_64__)||defined(__i386__)
-#ifndef __AVX2
+#ifndef __AVX2__
     for (iprime=0; iprime<G;iprime+=8,j2+=8)
       *((__m128i *)&ulsch_harq->e[iprime]) = *((__m128i *)&y[j2]);
 #else