diff --git a/debian/qualify-clang.sh b/debian/qualify-clang.sh
index 9aa443da..d6cafb77 100755
--- a/debian/qualify-clang.sh
+++ b/debian/qualify-clang.sh
@@ -406,7 +406,7 @@ void testBitwiseRules(unsigned int a, int b) {
 ' > foo.c
 
 clang-$VERSION -cc1  -analyze -analyzer-constraints=range -analyzer-checker=core,debug.ExprInspection -analyzer-constraints=z3 foo.c &> foo.log || true
-if ! grep -q "LLVM was not compiled with Z3 support" foo.log; then
+if ! grep -q "error: analyzer constraint manager 'z3' is only available if LLVM was built with -DLLVM_ENABLE_Z3_SOLVER=ON" foo.log; then
     # Should work
     clang-$VERSION -cc1  -analyze -analyzer-constraints=range -analyzer-checker=core,debug.ExprInspection -verify -analyzer-config eagerly-assume=false -analyzer-constraints=z3 foo.c
     clang-$VERSION -cc1  -analyze -analyzer-constraints=range -analyzer-checker=core,debug.ExprInspection -analyzer-constraints=z3 foo.c &> foo.log