diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index 46dd4f28..e0b3f928 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -118,8 +118,12 @@ if( BUILD_LIBKDENETWORK OR BUILD_CERTMANAGER OR BUILD_KMAIL OR BUILD_KADDRESSBOO
   if( GPGERR_LIBRARIES )
     string( REGEX REPLACE "(^| )-l" ";" GPGERR_LIBRARIES "${GPGERR_LIBRARIES}" )
   endif( )
-  set( GPGME_INCLUDE_DIRS "${GPGME_INCLUDE_DIRS}${GPGERR_INCLUDE_DIRS}" CACHE INTERNAL "" FORCE )
-  set( GPGME_LIBRARIES "${GPGME_LIBRARIES}${GPGERR_LIBRARIES}" CACHE INTERNAL "" FORCE )
+  set( GPGME_INCLUDE_DIRS "${GPGME_INCLUDE_DIRS} ${GPGERR_INCLUDE_DIRS}" CACHE INTERNAL "" FORCE )
+  set( GPGME_LIBRARIES "${GPGME_LIBRARIES} ${GPGERR_LIBRARIES}" CACHE INTERNAL "" FORCE )
+  string( REGEX REPLACE " ;" ";" GPGME_INCLUDE_DIRS "${GPGME_INCLUDE_DIRS}" )
+  string( REGEX REPLACE " ;" ";" GPGME_LIBRARIES "${GPGME_LIBRARIES}" )
+  set( GPGME_INCLUDE_DIRS "${GPGME_INCLUDE_DIRS}" CACHE INTERNAL "" FORCE )
+  set( GPGME_LIBRARIES "${GPGME_LIBRARIES}" CACHE INTERNAL "" FORCE )
 
   # assuming that all newer system have gpgme >= 0.4
   set( HAVE_GPGME_0_4_BRANCH 1 CACHE INTERNAL "" )