diff --git a/desktop/kde/applications/akonadi-calendar/files/qt5.patch b/desktop/kde/applications/akonadi-calendar/files/qt5.patch
new file mode 100644
index 0000000000..97c93f74af
--- /dev/null
+++ b/desktop/kde/applications/akonadi-calendar/files/qt5.patch
@@ -0,0 +1,13 @@
+diff -Nuar a/src/incidencechanger_p.cpp b/src/incidencechanger_p.cpp
+--- a/src/incidencechanger_p.cpp	2017-12-04 13:20:36.000000000 +0300
++++ b/src/incidencechanger_p.cpp	2017-12-16 22:01:34.956659792 +0300
+@@ -189,7 +189,9 @@
+                                            << "isValid = "  << mDefaultCollection.isValid()
+                                            << "has ACLs = " << hasRights(mDefaultCollection, ChangeTypeCreate);
+         // else fallthrough, and ask the user.
++#if QT_VERSION >= QT_VERSION_CHECK(5,8,0)
+         Q_FALLTHROUGH();
++#endif
+         case DestinationPolicyAsk: {
+             mPendingCreations << change;
+             loadCollections(); // Now we wait, collections are being loaded async
diff --git a/desktop/kde/applications/akonadi-calendar/pspec.xml b/desktop/kde/applications/akonadi-calendar/pspec.xml
index 51c0635b40..0e55fdb55d 100644
--- a/desktop/kde/applications/akonadi-calendar/pspec.xml
+++ b/desktop/kde/applications/akonadi-calendar/pspec.xml
@@ -39,6 +39,9 @@
             <Dependency>akonadi-contacts-devel</Dependency>            
             <Dependency>prison-devel</Dependency>
         </BuildDependencies>
+        <Patches>
+            <Patch>qt5.patch</Patch>
+        </Patches>
     </Source>
 
     <Package>
@@ -94,9 +97,9 @@
 
     <History>
         <Update release="13">
-            <Date>2017-12-15</Date>
+            <Date>2017-12-16</Date>
             <Version>17.12.0</Version>
-            <Comment>Version bump.</Comment>
+            <Comment>Version bump</Comment>
             <Name>Mustafa Cinasal</Name>
             <Email>muscnsl@gmail.com</Email>
         </Update>