diff --git a/desktop/kde/applications/mailimporter/files/qt5.patch b/desktop/kde/applications/mailimporter/files/qt5.patch
new file mode 100644
index 0000000000..b790813d83
--- /dev/null
+++ b/desktop/kde/applications/mailimporter/files/qt5.patch
@@ -0,0 +1,25 @@
+diff -Nuar a/CMakeLists.txt b/CMakeLists.txt
+--- a/CMakeLists.txt	2017-12-08 04:04:19.000000000 +0300
++++ b/CMakeLists.txt	2017-12-17 00:13:48.399087354 +0300
+@@ -28,7 +28,7 @@
+ 
+ set(AKONADIMIME_LIB_VERSION "5.7.0")
+ set(KDEPIM_LIB_VERSION "5.7.0")
+-set(QT_REQUIRED_VERSION "5.8.0")
++set(QT_REQUIRED_VERSION "5.7.1")
+ set(KMIME_LIB_VERSION "5.7.0")
+ set(AKONADI_VERSION "5.7.0")
+ 
+diff -Nuar a/src/mailimporter/filters/filterlnotes.cpp b/src/mailimporter/filters/filterlnotes.cpp
+--- a/src/mailimporter/filters/filterlnotes.cpp	2017-12-04 13:20:16.000000000 +0300
++++ b/src/mailimporter/filters/filterlnotes.cpp	2017-12-17 00:18:28.129067170 +0300
+@@ -132,7 +132,9 @@
+                 tempfile->setAutoRemove(false);
+                 tempfile->open();
+                 // fall through
++#if QT_VERSION >= QT_VERSION_CHECK(5,8,0)
+                 Q_FALLTHROUGH();
++#endif
+             // inside a message state
+             case 1:
+                 if (ch == 0x0c) {
diff --git a/desktop/kde/applications/mailimporter/pspec.xml b/desktop/kde/applications/mailimporter/pspec.xml
index f153b750de..40190607d4 100644
--- a/desktop/kde/applications/mailimporter/pspec.xml
+++ b/desktop/kde/applications/mailimporter/pspec.xml
@@ -51,6 +51,9 @@
             <Dependency>akonadi-mime-devel</Dependency>
             <Dependency>akonadi-contacts-devel</Dependency>
         </BuildDependencies>
+        <Patches>
+            <Patch>qt5.patch</Patch>
+        </Patches>
     </Source>
 
     <Package>
@@ -91,7 +94,7 @@
 
     <History>
         <Update release="12">
-            <Date>2017-12-15</Date>
+            <Date>2017-12-16</Date>
             <Version>17.12.0</Version>
             <Comment>Version bump.</Comment>
             <Name>Mustafa Cinasal</Name>