diff --git a/cmake/FindQalculate.cmake b/cmake/FindQalculate.cmake
index b8e74f451..c17d6f92c 100644
--- a/cmake/FindQalculate.cmake
+++ b/cmake/FindQalculate.cmake
@@ -1,100 +1,101 @@
 # - Try to find libqalculate
 # Input variables
 #
 #  QALCULATE_MIN_VERSION - minimal version of libqalculate
 #  QALCULATE_FIND_REQUIRED - fail if can't find libqalculate
 #
 # Once done this will define
 #
 #  QALCULATE_FOUND - system has libqalculate
 #  QALCULATE_CFLAGS - libqalculate cflags
 #  QALCULATE_LIBRARIES - libqalculate libraries
 #
 # Copyright (c) 2007, Vladimir Kuznetsov, <ks.vladimir@gmail.com>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 # 1. Redistributions of source code must retain the above copyright
 #    notice, this list of conditions and the following disclaimer.
 # 2. Redistributions in binary form must reproduce the above copyright
 #    notice, this list of conditions and the following disclaimer in the
 #    documentation and/or other materials provided with the distribution.
 # 3. Neither the name of the University nor the names of its contributors
 #    may be used to endorse or promote products derived from this software
 #    without specific prior written permission.
 #
 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 # SUCH DAMAGE.
 
 if(QALCULATE_CFLAGS AND QALCULATE_LIBRARIES)
 
   # in cache already
   set(QALCULATE_FOUND TRUE)
 
 else(QALCULATE_CFLAGS AND QALCULATE_LIBRARIES)
   if(NOT WIN32)
     find_package(PkgConfig)
 
     if(QALCULATE_MIN_VERSION)
       pkg_check_modules(_pc_QALCULATE libqalculate>=${QALCULATE_MIN_VERSION})
     else(QALCULATE_MIN_VERSION)
       pkg_check_modules(_pc_QALCULATE libqalculate)
     endif(QALCULATE_MIN_VERSION)
 
-    if(${_pc_QALCULATE_VERSION} VERSION_LESS 2.0.0)
-      pkg_check_modules(_pc_CLN cln)
-    endif()
-
     if(_pc_QALCULATE_FOUND)
+      if(${_pc_QALCULATE_VERSION} VERSION_LESS 2.0.0)
+        pkg_check_modules(_pc_CLN cln)
+      endif()
       set(QALCULATE_CFLAGS ${_pc_QALCULATE_CFLAGS})
     endif()
 
     find_library(QALCULATE_LIBRARIES
       NAMES
       qalculate
       PATHS
       ${_pc_QALCULATE_LIBRARY_DIRS}
       ${LIB_INSTALL_DIR}
     )
 
     find_path(QALCULATE_INCLUDE_DIR
       NAMES
       libqalculate
       PATHS
       ${_pc_QALCULATE_INCLUDE_DIRS}
       ${INCLUDE_INSTALL_DIR}
     )
 
-    if(${_pc_QALCULATE_VERSION} VERSION_LESS 2.0.0)
-      find_library(CLN_LIBRARIES
-        NAMES
-        cln
-        PATHS
-        ${_pc_CLN_LIBRARY_DIRS}
-        ${LIB_INSTALL_DIR}
-      )
+    if(_pc_QALCULATE_FOUND)
+      if(${_pc_QALCULATE_VERSION} VERSION_LESS 2.0.0)
+        find_library(CLN_LIBRARIES
+          NAMES
+          cln
+          PATHS
+          ${_pc_CLN_LIBRARY_DIRS}
+          ${LIB_INSTALL_DIR}
+        )
+      endif()
     endif()
 
   else(NOT WIN32)
     # XXX: currently no libqalculate on windows
     set(QALCULATE_FOUND FALSE)
 
   endif(NOT WIN32)
 
   include(FindPackageHandleStandardArgs)
   FIND_PACKAGE_HANDLE_STANDARD_ARGS(Qalculate DEFAULT_MSG QALCULATE_LIBRARIES )
 
   mark_as_advanced(QALCULATE_CFLAGS QALCULATE_LIBRARIES)
 
 endif(QALCULATE_CFLAGS AND QALCULATE_LIBRARIES)