diff --git a/debian/qualify-clang.sh b/debian/qualify-clang.sh
index dc615e3d..423058d4 100755
--- a/debian/qualify-clang.sh
+++ b/debian/qualify-clang.sh
@@ -5,7 +5,8 @@ set -e
 VERSION=8
 DETAILED_VERSION=8~+rc1-1~exp2
 
-LIST="libomp5-${VERSION}_${DETAILED_VERSION}_amd64.deb libomp-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb lldb-${VERSION}_${DETAILED_VERSION}_amd64.deb python-lldb-${VERSION}_${DETAILED_VERSION}_amd64.deb libllvm7_${DETAILED_VERSION}_amd64.deb llvm-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb liblldb-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb  libclang1-${VERSION}_${DETAILED_VERSION}_amd64.deb  libclang-common-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb  llvm-${VERSION}_${DETAILED_VERSION}_amd64.deb  liblldb-${VERSION}_${DETAILED_VERSION}_amd64.deb  llvm-${VERSION}-runtime_${DETAILED_VERSION}_amd64.deb lld-${VERSION}_${DETAILED_VERSION}_amd64.deb libfuzzer-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libclang-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libc++-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libc++1-${VERSION}_${DETAILED_VERSION}_amd64.deb clang-${VERSION}_${DETAILED_VERSION}_amd64.deb llvm-${VERSION}-tools_${DETAILED_VERSION}_amd64.deb"
+LIST="libomp5-${VERSION}_${DETAILED_VERSION}_amd64.deb libomp-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb lldb-${VERSION}_${DETAILED_VERSION}_amd64.deb python-lldb-${VERSION}_${DETAILED_VERSION}_amd64.deb libllvm7_${DETAILED_VERSION}_amd64.deb llvm-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb liblldb-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb  libclang1-${VERSION}_${DETAILED_VERSION}_amd64.deb  libclang-common-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb  llvm-${VERSION}_${DETAILED_VERSION}_amd64.deb  liblldb-${VERSION}_${DETAILED_VERSION}_amd64.deb  llvm-${VERSION}-runtime_${DETAILED_VERSION}_amd64.deb lld-${VERSION}_${DETAILED_VERSION}_amd64.deb libfuzzer-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libclang-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libc++-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libc++1-${VERSION}_${DETAILED_VERSION}_amd64.deb clang-${VERSION}_${DETAILED_VERSION}_amd64.deb llvm-${VERSION}-tools_${DETAILED_VERSION}_amd64.deb clang-tools-${VERSION}_${DETAILED_VERSION}_amd64.deb"
+
 echo "To install everything:"
 echo "sudo dpkg -i $LIST"
 L=""
@@ -33,12 +34,19 @@ if ! ./foo 2>&1 | grep -q heap-use-after-free ; then
     echo "sanitize=address is failing"
     exit 42
 fi
+
+if test ! -f /usr/bin/scan-build-$VERSION; then
+    echo "Install clang-tools-$VERSION"
+    exit 1
+fi
+
 echo '
 void test() {
   int x;
   x = 1; // warn
 }
 '> foo.c
+
 scan-build-$VERSION gcc -c foo.c &> /dev/null
 scan-build-$VERSION clang-$VERSION -c foo.c &> /dev/null
 scan-build-$VERSION --exclude non-existing/ --exclude /tmp/ -v clang-$VERSION -c foo.c &> /dev/null