diff --git a/desktop/kde/applications/kdav/files/qt5.patch b/desktop/kde/applications/kdav/files/qt5.patch
new file mode 100644
index 0000000000..ccdd774190
--- /dev/null
+++ b/desktop/kde/applications/kdav/files/qt5.patch
@@ -0,0 +1,12 @@
+diff -Nuar a/CMakeLists.txt b/CMakeLists.txt
+--- a/CMakeLists.txt	2017-12-02 10:27:41.000000000 +0300
++++ b/CMakeLists.txt	2017-12-16 13:36:51.970738394 +0300
+@@ -26,7 +26,7 @@
+ include(ECMQtDeclareLoggingCategory)
+ include(ECMCoverageOption)
+ 
+-set(QT_REQUIRED_VERSION "5.8.0")
++set(QT_REQUIRED_VERSION "5.7.1")
+ 
+ find_package(Qt5 ${QT_REQUIRED_VERSION} CONFIG REQUIRED Core Gui XmlPatterns Test)
+ 
diff --git a/desktop/kde/applications/kdav/pspec.xml b/desktop/kde/applications/kdav/pspec.xml
index c7e569df90..c14bd23217 100644
--- a/desktop/kde/applications/kdav/pspec.xml
+++ b/desktop/kde/applications/kdav/pspec.xml
@@ -23,6 +23,9 @@
             <Dependency versionFrom="5.7.1">qt5-base-devel</Dependency>
             <Dependency versionFrom="5.7.1">qt5-xmlpatterns-devel</Dependency>
         </BuildDependencies>
+        <Patches>
+            <Patch>qt5.patch</Patch>
+        </Patches>
     </Source>
 
     <Package>
@@ -56,7 +59,7 @@
 
     <History>
         <Update release="6">
-            <Date>2017-12-15</Date>
+            <Date>2017-12-16</Date>
             <Version>17.12.0</Version>
             <Comment>Version bump.</Comment>
             <Name>Mustafa Cinasal</Name>