diff --git a/trunk/Dockerfile.builds b/trunk/Dockerfile.builds
index 73f113893..65e71df1a 100644
--- a/trunk/Dockerfile.builds
+++ b/trunk/Dockerfile.builds
@@ -22,7 +22,7 @@ RUN cd /srs/trunk && ./configure --jobs=2 --cxx11=off --cxx14=off --ffmpeg-fit=o
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 FROM ossrs/srs:dev6 AS centos6-baseline
 COPY . /srs
-RUN cd /srs/trunk && ./configure --jobs=2 && make -j2
+RUN cd /srs/trunk && ./configure --jobs=2 --cxx11=off --cxx14=off && make -j2
 
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 FROM ossrs/srs:dev8 AS centos8-baseline