diff --git a/kdoctools/checkXML.cmake b/kdoctools/checkXML.cmake
index b986a7b1b..b6d0fe8a1 100644
--- a/kdoctools/checkXML.cmake
+++ b/kdoctools/checkXML.cmake
@@ -3,5 +3,5 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 # FIXME this must be separate?
 exec_prefix=@CMAKE_INSTALL_PREFIX@
-exit `@CMAKE_INSTALL_PREFIX@/@BIN_INSTALL_DIR@/meinproc --check --stdout $@ > /dev/null`
+exit `@BIN_INSTALL_DIR@/meinproc --check --stdout $@ > /dev/null`