diff --git a/circle.yml b/circle.yml
index 8c69f5944..df5f5547b 100644
--- a/circle.yml
+++ b/circle.yml
@@ -42,10 +42,10 @@ test:
       :
         parallel: true
     - ? |
-        if [[ "$CIRCLE_NODE_INDEX" == "0" ]]                                    ; then ZSTD_LIB_COMPRESSION=0 make -C lib libzstd.a; nm lib/libzstd.a | grep ".*\.o:" > tmplog; 
+        if [[ "$CIRCLE_NODE_INDEX" == "0" ]]                                    ; then ZSTD_LIB_COMPRESSION=0 CFLAGS= make -C lib libzstd.a; nm lib/libzstd.a | grep ".*\.o:" > tmplog; 
                                                                                   ! grep "zstd_compress" tmplog && grep "zstd_decompress" tmplog && ! grep "dict" tmplog \
                                                                                   && grep "zstd_v" tmplog && make clean && rm tmplog; fi &&
-        if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then ZSTD_LIB_DECOMPRESSION=0 make -C lib libzstd.a; nm lib/libzstd.a | grep ".*\.o:" > tmplog; 
+        if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then ZSTD_LIB_DECOMPRESSION=0 CFLAGS= make -C lib libzstd.a; nm lib/libzstd.a | grep ".*\.o:" > tmplog; 
                                                                                   grep "zstd_compress" tmplog && ! grep "zstd_decompress" tmplog && grep "dict" tmplog && \
                                                                                   ! grep "zstd_v" tmplog && make clean && rm tmplog; fi
       :