diff --git a/configure.ac b/configure.ac
index a840bed74350..657c11001367 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9653,8 +9653,8 @@ dnl ===================================================================
 dnl Checking for libnumbertext
 dnl ===================================================================
 ENABLE_LIBNUMBERTEXT=TRUE
-LIBNUMBERTEXT_CFLAGS="-DENABLE_LIBNUMBERTEXT"
 libo_CHECK_SYSTEM_MODULE([libnumbertext],[LIBNUMBERTEXT],[libnumbertext >= 1.0.0])
+LIBNUMBERTEXT_CFLAGS="$LIBNUMBERTEXT_CFLAGS -DENABLE_LIBNUMBERTEXT"
 if test "$with_system_libnumbertext" = "yes"; then
     SYSTEM_LIBNUMBERTEXT_DATA=file://`$PKG_CONFIG --variable=pkgdatadir libnumbertext`
     SYSTEM_LIBNUMBERTEXT=YES
diff --git a/lingucomponent/source/numbertext/numbertext.cxx b/lingucomponent/source/numbertext/numbertext.cxx
index 237aaa46ba01..ec841a4bcab2 100644
--- a/lingucomponent/source/numbertext/numbertext.cxx
+++ b/lingucomponent/source/numbertext/numbertext.cxx
@@ -37,13 +37,9 @@
 
 #include <sal/macros.h>
 
-#ifdef SYSTEM_LIBNUMBERTEXT
-#include <libnumbertext/Numbertext.hxx>
-#else
 #ifdef ENABLE_LIBNUMBERTEXT
 #include <Numbertext.hxx>
 #endif
-#endif
 
 using namespace ::osl;
 using namespace ::cppu;