diff --git a/cmake/modules/FindPyQt5.cmake b/cmake/modules/FindPyQt5.cmake
--- a/cmake/modules/FindPyQt5.cmake
+++ b/cmake/modules/FindPyQt5.cmake
@@ -42,6 +42,9 @@
     STRING(REGEX REPLACE ".*\npyqt_version_tag:([^\n]+).*$" "\\1" PYQT5_VERSION_TAG ${pyqt5_config})
     STRING(REGEX REPLACE ".*\npyqt_sip_dir:([^\n]+).*$" "\\1" PYQT5_SIP_DIR ${pyqt5_config})
     STRING(REGEX REPLACE ".*\npyqt_sip_flags:([^\n]+).*$" "\\1" PYQT5_SIP_FLAGS ${pyqt5_config})
+    IF(${pyqt5_config} MATCHES pyqt_sip_name)
+      STRING(REGEX REPLACE ".*\npyqt_sip_name:([^\n]+).*$" "\\1" PYQT5_SIP_NAME ${pyqt5_config})
+    ENDIF(${pyqt5_config} MATCHES pyqt_sip_name)
 
     SET(PYQT5_FOUND TRUE)
   ENDIF(pyqt5_config)
diff --git a/cmake/modules/FindPyQt5.py b/cmake/modules/FindPyQt5.py
--- a/cmake/modules/FindPyQt5.py
+++ b/cmake/modules/FindPyQt5.py
@@ -11,7 +11,8 @@
 
 pyqt_version_tag = ""
 in_t = False
-for item in PyQt5.Qt.PYQT_CONFIGURATION["sip_flags"].split(' '):
+pyqt_config_list = PyQt5.Qt.PYQT_CONFIGURATION["sip_flags"].split(' ')
+for item in pyqt_config_list:
     if item == "-t":
         in_t = True
     elif in_t:
@@ -21,6 +22,13 @@
         in_t = False
 print("pyqt_version_tag:%s" % pyqt_version_tag)
 
+try:
+    index_n = pyqt_config_list.index('-n')
+    pyqt_sip_name = '-n' + pyqt_config_list[index_n + 1]
+    print("pyqt_sip_name:%s" % pyqt_sip_name)
+except ValueError:
+    pass
+
 # FIXME This next line is just a little bit too crude.
 pyqt_sip_dir = os.path.join(sys.prefix, "share", "sip", "PyQt5")
 print("pyqt_sip_dir:%s" % pyqt_sip_dir)
diff --git a/plugins/extensions/pykrita/sip/CMakeLists.txt b/plugins/extensions/pykrita/sip/CMakeLists.txt
--- a/plugins/extensions/pykrita/sip/CMakeLists.txt
+++ b/plugins/extensions/pykrita/sip/CMakeLists.txt
@@ -12,13 +12,9 @@
     ${PYQT_SIP_DIR_OVERRIDE}
      ./krita)
 
-if(${PYQT5_VERSION_STR} VERSION_EQUAL "5.11.0" OR ${PYQT5_VERSION_STR} VERSION_GREATER "5.11.0")
-    set(SIP_NAME -n PyQt5.sip)
-endif()
-
 set(SIP_CONCAT_PARTS 1)
 set(SIP_TAGS ALL WS_X11 ${PYQT5_VERSION_TAG})
-set(SIP_EXTRA_OPTIONS -g -x PyKDE_QVector ${SIP_NAME})
+set(SIP_EXTRA_OPTIONS -g -x PyKDE_QVector ${PYQT5_SIP_NAME})
 
 set(PYTHON_SITE_PACKAGES_INSTALL_DIR ${LIB_INSTALL_DIR}/krita-python-libs)
 file(GLOB PYKRITA_KRITA_sip_files ./krita/*.sip)