diff --git a/sc/UITest_calc_dialogs.mk b/sc/UITest_calc_dialogs.mk
index 85ba2d63b724..72c3342480e2 100644
--- a/sc/UITest_calc_dialogs.mk
+++ b/sc/UITest_calc_dialogs.mk
@@ -17,4 +17,6 @@ $(eval $(call gb_UITest_set_defs,calc_dialogs, \
     TDOC="$(SRCDIR)/sc/qa/uitest/data" \
 ))
 
+$(eval $(call gb_UITest_use_oneprocess,calc_dialogs))
+
 # vim: set noet sw=4 ts=4:
diff --git a/sc/UITest_conditional_format.mk b/sc/UITest_conditional_format.mk
index 01eb2463c36f..1f2acfc9c928 100644
--- a/sc/UITest_conditional_format.mk
+++ b/sc/UITest_conditional_format.mk
@@ -17,4 +17,6 @@ $(eval $(call gb_UITest_set_defs,conditional_format, \
     TDOC="$(SRCDIR)/sc/qa/uitest/data" \
 ))
 
+$(eval $(call gb_UITest_use_oneprocess,conditional_format))
+
 # vim: set noet sw=4 ts=4:
diff --git a/sc/UITest_csv_dialog.mk b/sc/UITest_csv_dialog.mk
index 9e1ac6ab9d08..c82518743901 100644
--- a/sc/UITest_csv_dialog.mk
+++ b/sc/UITest_csv_dialog.mk
@@ -17,4 +17,6 @@ $(eval $(call gb_UITest_set_defs,csv_dialog, \
     TDOC="$(SRCDIR)/sc/qa/uitest/data" \
 ))
 
+$(eval $(call gb_UITest_use_oneprocess,csv_dialog))
+
 # vim: set noet sw=4 ts=4:
diff --git a/sc/UITest_external_links.mk b/sc/UITest_external_links.mk
index 161883227d08..c86d31ca91c4 100644
--- a/sc/UITest_external_links.mk
+++ b/sc/UITest_external_links.mk
@@ -17,4 +17,6 @@ $(eval $(call gb_UITest_set_defs,external_links, \
     TDOC="$(SRCDIR)/sc/qa/uitest/data" \
 ))
 
+$(eval $(call gb_UITest_use_oneprocess,external_links))
+
 # vim: set noet sw=4 ts=4: