diff --git a/srcpkgs/fbreader/patches/arm.patch b/srcpkgs/fbreader/patches/arm.patch
new file mode 100644
index 00000000000..d2b4f8e83e4
--- /dev/null
+++ b/srcpkgs/fbreader/patches/arm.patch
@@ -0,0 +1,20 @@
+--- zlibrary/ui/src/qt4/tree/QtWaitingSpinner.cpp.orig	2018-03-17 07:35:31.000000000 +0000
++++ zlibrary/ui/src/qt4/tree/QtWaitingSpinner.cpp	2018-03-17 07:37:07.801751090 +0000
+@@ -86,7 +86,7 @@
+ }
+ 
+ void QtWaitingSpinner::setRoundness(qreal roundness) {
+-	myRoundness = std::max(0.0, std::min(100.0, roundness));
++	myRoundness = std::max((qreal)0.0, std::min((qreal)100.0, roundness));
+ }
+ 
+ void QtWaitingSpinner::setColor(QColor color) {
+@@ -148,7 +148,7 @@
+ 	qreal alphaDiff = color.alphaF() - (qreal)minAlphaF;
+ 	qreal gradation = alphaDiff / (qreal)(distanceThreshold + 1);
+ 	qreal resultAlpha = color.alphaF() - gradation * distance;
+-	resultAlpha = std::min(1.0, std::max(0.0, resultAlpha)); //if alpha is out of bound, force it to bounds
++	resultAlpha = std::min((qreal)1.0, std::max((qreal)0.0, (qreal)resultAlpha)); //if alpha is out of bound, force it to bounds
+ 	color.setAlphaF(resultAlpha);
+ 	return color;
+ }