diff --git a/debian/qualify-clang.sh b/debian/qualify-clang.sh
index 2f73dd00..372604a1 100755
--- a/debian/qualify-clang.sh
+++ b/debian/qualify-clang.sh
@@ -222,12 +222,12 @@ echo "Testing linking clang-cpp ..."
 clang-$VERSION -lclang-cpp$VERSION -v foo.cpp -o o > /dev/null || true
 if ! ldd o 2>&1|grep -q  libclang-cpp; then
 	echo "Didn't link against libclang-cpp$VERSION"
-#	exit 42
+	exit 42
 fi
-#./o > /dev/null
+./o > /dev/null
 
 # Check that the symlink is correct
-ls -al /usr/lib/llvm-$VERSION/lib/libclang-cpp.so.1 > /dev/null
+ls -al /usr/lib/llvm-$VERSION/lib/libclang-cpp.so.$VERSION > /dev/null
 
 echo "Testing code coverage ..."