diff --git a/debian/qualify-clang.sh b/debian/qualify-clang.sh
index ad41364d..ecacc116 100755
--- a/debian/qualify-clang.sh
+++ b/debian/qualify-clang.sh
@@ -250,7 +250,7 @@ int main(int argc, char **argv)
 }' > foo.c
 
 clang-$VERSION -fsanitize=address foo.c -o foo -lc
-./foo
+./foo &> /dev/null
 
 # fails on 32 bit, seems a real BUG in the package, using 64bit static libs?
 LANG=C clang-$VERSION -fsanitize=fuzzer test_fuzzer.cc &> foo.log