diff --git a/srcpkgs/kplotting/patches/cross.patch b/srcpkgs/kplotting/patches/cross.patch
new file mode 100644
index 00000000000..61e1c12c761
--- /dev/null
+++ b/srcpkgs/kplotting/patches/cross.patch
@@ -0,0 +1,11 @@
+--- a/CMakeLists.txt	2022-03-05 12:17:35.000000000 +0100
++++ -	2022-03-28 22:33:55.042066950 +0200
+@@ -30,7 +30,7 @@
+ option(BUILD_QCH "Build API documentation in QCH format (for e.g. Qt Assistant, Qt Creator & KDevelop)" OFF)
+ add_feature_info(QCH ${BUILD_QCH} "API documentation in QCH format (for e.g. Qt Assistant, Qt Creator & KDevelop)")
+ 
+-cmake_dependent_option(BUILD_DESIGNERPLUGIN "Build plugin for Qt Designer" ON "NOT CMAKE_CROSSCOMPILING" OFF)
++option(BUILD_DESIGNERPLUGIN "Build plugin for Qt Designer" ON)
+ add_feature_info(DESIGNERPLUGIN ${BUILD_DESIGNERPLUGIN} "Build plugin for Qt Designer")
+ 
+ ecm_setup_version(PROJECT VARIABLE_PREFIX KPLOTTING