diff --git a/scp2/InstallModule_ooo.mk b/scp2/InstallModule_ooo.mk
index 955a0d7fffc2..ccbe54817752 100644
--- a/scp2/InstallModule_ooo.mk
+++ b/scp2/InstallModule_ooo.mk
@@ -53,7 +53,7 @@ $(eval $(call gb_InstallModule_add_defs,scp2/ooo,\
 
 ifeq ($(USING_X11),TRUE)
 $(eval $(call gb_InstallModule_add_defs,scp2/ooo,\
-	-DGUIBASE_UNX \
+	-DUSING_X11 \
 ))
 endif
 
diff --git a/scp2/source/ooo/file_extra_ooo.scp b/scp2/source/ooo/file_extra_ooo.scp
index f56c028ec41d..11c6ffa16e5c 100644
--- a/scp2/source/ooo/file_extra_ooo.scp
+++ b/scp2/source/ooo/file_extra_ooo.scp
@@ -74,7 +74,7 @@ File gid_File_Extra_Databasebiblio
     Name = "extras_databasebiblio.filelist";
 End
 
-#ifdef GUIBASE_UNX
+#ifdef USING_X11
 
 File gid_File_Extra_Fontunxppds
     Dir = FILELIST_DIR;