diff --git a/afl-sh-profile b/afl-sh-profile
index 4f72732..1aa5046 100755
--- a/afl-sh-profile
+++ b/afl-sh-profile
@@ -19,7 +19,7 @@ export AFL_HARDEN=1
 export FORCE_UNSAFE_CONFIGURE=1  # for coreutils root build check.
 
 # we don't need leak checks while building
-export ASAN_OPTIONS=detect_leaks=0,abort_on_error=1
+export ASAN_OPTIONS=detect_leaks=0,abort_on_error=1,symbolize=0
 
 # In case of e.g. gimp, dpkg-gensymbols complains after having detected new
 # symbols introduced by AFL. Let's disable the check.
diff --git a/fuzz-pkg-with-coverage.sh b/fuzz-pkg-with-coverage.sh
index 825be9d..75b922f 100755
--- a/fuzz-pkg-with-coverage.sh
+++ b/fuzz-pkg-with-coverage.sh
@@ -10,7 +10,7 @@ aflize $1
 dpkg -i ~/pkgs/*.deb
 apt-get -f install -y
 
-ASAN_OPTIONS=abort_on_error=1 timeout \
+ASAN_OPTIONS=abort_on_error=1,symbolize=0 timeout \
     15s \
     afl-fuzz \
         -i ~/testcases \