1 files changed, 4 insertions, 0 deletions
diff --git a/src/libs/utils/filesearch.cpp b/src/libs/utils/filesearch.cpp
index 03aa1cf9b2..4af8079adf 100644
--- a/src/libs/utils/filesearch.cpp
+++ b/src/libs/utils/filesearch.cpp
@@ -251,6 +251,10 @@ QRegularExpressionMatch FileSearchRegExp::doGuardedMatch(const QString &line, in
 void FileSearchRegExp::operator()(QFutureInterface<FileSearchResultList> &futureInterface,
                                   const FileIterator::Item &item) const
 {
+    if (!expression.isValid()) {
+        futureInterface.cancel();
+        return;
+    }
     if (futureInterface.isCanceled())
         return;
     futureInterface.setProgressRange(0, 1);