diff -Naur a/qtbase/src/plugins/styles/mac/qmacstyle_mac.mm b/qtbase/src/plugins/styles/mac/qmacstyle_mac.mm
--- a/qtbase/src/plugins/styles/mac/qmacstyle_mac.mm	2018-12-03 14:15:26.000000000 +0300
+++ b/qtbase/src/plugins/styles/mac/qmacstyle_mac.mm	2018-12-15 01:31:29.000000000 +0300
@@ -4213,11 +4213,12 @@
                 const auto cw = QMacStylePrivate::CocoaControl(QMacStylePrivate::ProgressIndicator_Determinate, aquaSize);
                 auto *pi = static_cast<NSProgressIndicator *>(d->cocoaControl(cw));
                 d->drawNSViewInRect(pi, rect, p, ^(CGContextRef ctx, const CGRect &rect) {
+                    CGContextTranslateCTM(ctx, rect.origin.x, rect.origin.y);
                     d->setupVerticalInvertedXform(ctx, reverse, vertical, rect);
                     pi.minValue = pb->minimum;
                     pi.maxValue = pb->maximum;
                     pi.doubleValue = pb->progress;
-                    [pi drawRect:rect];
+                    [pi drawRect:pi.bounds];
                 });
             }
         }