diff --git a/desktop/kde/application/kholidays/files/sunrise-fix.patch b/desktop/kde/application/kholidays/files/sunrise-fix.patch
new file mode 100644
index 0000000000..0b7be08cf3
--- /dev/null
+++ b/desktop/kde/application/kholidays/files/sunrise-fix.patch
@@ -0,0 +1,21 @@
+--- a/src/sunriseset.cpp
++++ b/src/sunriseset.cpp
+@@ -180,7 +180,7 @@
+     double hourAngle = calcHourAngleSunrise(latitude, solarDec);
+     double delta = longitude + radToDeg(hourAngle);
+     QTime timeUTC(0, 0);
+-    if (isnan(delta))
++    if (std::isnan(delta))
+         return timeUTC;
+     timeUTC = timeUTC.addSecs((720 - (4.0 * delta) - eqTime) * 60);
+     return QTime(timeUTC.hour(),
+@@ -199,7 +199,7 @@
+     double hourAngle = -calcHourAngleSunrise(latitude, solarDec);
+     double delta = longitude + radToDeg(hourAngle);
+     QTime timeUTC(0, 0);
+-    if (isnan(delta))
++    if (std::isnan(delta))
+         return timeUTC;
+     timeUTC = timeUTC.addSecs((720 - (4.0 * delta) - eqTime) * 60);
+     return QTime(timeUTC.hour(),
+
diff --git a/desktop/kde/application/kholidays/pspec.xml b/desktop/kde/application/kholidays/pspec.xml
index 0a4cf2e22a..06cbf69d4b 100644
--- a/desktop/kde/application/kholidays/pspec.xml
+++ b/desktop/kde/application/kholidays/pspec.xml
@@ -17,6 +17,7 @@
         <Archive sha1sum="1efd7b3e6b545a587bb109ecf3b7fe6709aa1640" type="tarxz">mirrors://kde/stable/applications/15.12.3/src/kholidays-15.12.3.tar.xz</Archive>
         <BuildDependencies>
             <Dependency>qt5-base-devel</Dependency>
+            <Dependency>autogen-devel</Dependency>
             <Dependency>kitemviews-devel</Dependency>
             <Dependency>kdoctools-devel</Dependency>
             <Dependency>kdelibs4-support-devel</Dependency>
@@ -27,6 +28,9 @@
             <Dependency>kdesignerplugin</Dependency>
             <Dependency>extra-cmake-modules</Dependency>
         </BuildDependencies>
+        <Patches>
+            <Patch level="1">sunrise-fix.patch</Patch>
+        </Patches>
     </Source>
 
     <Package>