diff --git a/.travis.yml b/.travis.yml
index 4e62a13..158dd9c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,21 +8,22 @@ git:
 
 matrix:
   include:
-    - compiler: gcc
-      env: CONFIGURE_OPTION='--enable-debug --enable-gcov --with-malloc=jemalloc' COVERALLS=yes VALGRIND=no DEBUG=yes
-    - compiler: gcc
-      env: CONFIGURE_OPTION='--enable-debug --enable-gcov' COVERALLS=yes VALGRIND=yes DEBUG=yes LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/
-    - compiler: clang
-      env: CONFIGURE_OPTION='--enable-debug --enable-gcov' COVERALLS=yes VALGRIND=yes DEBUG=yes LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/
-    - compiler: clang
-      env: ASAN_OPTIONS=symbolize=1 ASAN_SYMBOLIZER_PATH=/usr/local/clang-3.4/bin/llvm-symbolizer CFLAGS='-fsanitize=address -g -O1 -D_BSD_SOURCE=1' CXX=clang++ CXXFLAGS='-fsanitize=address -g -O1 -D_BSD_SOURCE=1'
+  - compiler: gcc
+    env: CONFIGURE_OPTION='--enable-debug --enable-gcov --with-malloc=jemalloc' COVERALLS=yes VALGRIND=no DEBUG=yes
+  - compiler: gcc
+    env: CONFIGURE_OPTION='--enable-debug --enable-gcov' COVERALLS=yes VALGRIND=yes DEBUG=yes LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/
+  - compiler: clang
+    env: CONFIGURE_OPTION='--enable-debug --enable-gcov' COVERALLS=yes VALGRIND=yes DEBUG=yes LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/
+  allow_failures:
+  - compiler: clang
+    env: ASAN_OPTIONS=symbolize=1 ASAN_SYMBOLIZER_PATH=/usr/local/clang-3.4/bin/llvm-symbolizer CFLAGS='-fsanitize=address -g -O1 -D_BSD_SOURCE=1' CXX=clang++ CXXFLAGS='-fsanitize=address -g -O1 -D_BSD_SOURCE=1'
 install:
-  - sudo apt-get update -qq
-  - sudo apt-get install -qq automake pkg-config build-essential libtool automake autoconf m4 gnulib
-  - sudo apt-get install -qq check libpcre3 libpcre3-dev libjemalloc-dev libjemalloc1
-  - sudo apt-get install -qq graphviz-dev graphviz
-  - if [ "x$COVERALLS" == xyes ]; then sudo pip install cpp-coveralls; fi
-  - if [ "x$VALGRIND" == xyes ]; then sudo apt-get install valgrind; fi
+- sudo apt-get update -qq
+- sudo apt-get install -qq automake pkg-config build-essential libtool automake autoconf m4 gnulib
+- sudo apt-get install -qq check libpcre3 libpcre3-dev libjemalloc-dev libjemalloc1
+- sudo apt-get install -qq graphviz-dev graphviz
+- if [ "x$COVERALLS" == xyes ]; then sudo pip install cpp-coveralls; fi
+- if [ "x$VALGRIND" == xyes ]; then sudo apt-get install valgrind; fi
 
 before_script:
   - sudo ldconfig