3 files changed, 3 insertions, 3 deletions
diff --git a/src/gui/painting/qimagescale.cpp b/src/gui/painting/qimagescale.cpp
index aac1e20f7b..86057cdd33 100644
--- a/src/gui/painting/qimagescale.cpp
+++ b/src/gui/painting/qimagescale.cpp
@@ -308,7 +308,7 @@ static inline void multithread_pixels_function(QImageScaleInfo *isi, int dh, con
     int segments = (qsizetype(isi->sh) * isi->sw) / (1<<16);
     segments = std::min(segments, dh);
     QThreadPool *threadPool = QThreadPool::globalInstance();
-    if (segments > 1 && !threadPool->contains(QThread::currentThread())) {
+    if (segments > 1 && threadPool && !threadPool->contains(QThread::currentThread())) {
         QSemaphore semaphore;
         int y = 0;
         for (int i = 0; i < segments; ++i) {
diff --git a/src/gui/painting/qimagescale_neon.cpp b/src/gui/painting/qimagescale_neon.cpp
index 046e56b419..3c87ac8773 100644
--- a/src/gui/painting/qimagescale_neon.cpp
+++ b/src/gui/painting/qimagescale_neon.cpp
@@ -59,7 +59,7 @@ static inline void multithread_pixels_function(QImageScaleInfo *isi, int dh, con
     int segments = (qsizetype(isi->sh) * isi->sw) / (1<<16);
     segments = std::min(segments, dh);
     QThreadPool *threadPool = QThreadPool::globalInstance();
-    if (segments > 1 && !threadPool->contains(QThread::currentThread())) {
+    if (segments > 1 && threadPool && !threadPool->contains(QThread::currentThread())) {
         QSemaphore semaphore;
         int y = 0;
         for (int i = 0; i < segments; ++i) {
diff --git a/src/gui/painting/qimagescale_sse4.cpp b/src/gui/painting/qimagescale_sse4.cpp
index 70cfa08d95..a5c9e68fad 100644
--- a/src/gui/painting/qimagescale_sse4.cpp
+++ b/src/gui/painting/qimagescale_sse4.cpp
@@ -60,7 +60,7 @@ static inline void multithread_pixels_function(QImageScaleInfo *isi, int dh, con
     int segments = (qsizetype(isi->sh) * isi->sw) / (1<<16);
     segments = std::min(segments, dh);
     QThreadPool *threadPool = QThreadPool::globalInstance();
-    if (segments > 1 && !threadPool->contains(QThread::currentThread())) {
+    if (segments > 1 && threadPool && !threadPool->contains(QThread::currentThread())) {
         QSemaphore semaphore;
         int y = 0;
         for (int i = 0; i < segments; ++i) {