diff --git a/connectivity/CppunitTest_connectivity_commontools.mk b/connectivity/CppunitTest_connectivity_commontools.mk
index 15a9d7e4633e..81dfe9e6861d 100644
--- a/connectivity/CppunitTest_connectivity_commontools.mk
+++ b/connectivity/CppunitTest_connectivity_commontools.mk
@@ -14,6 +14,8 @@ $(eval $(call gb_CppunitTest_set_include,connectivity_commontools,\
 	$$(INCLUDE) \
 ))
 
+$(eval $(call gb_CppunitTest_use_external,connectivity_commontools,boost_headers))
+
 $(eval $(call gb_CppunitTest_use_ure,connectivity_commontools))
 $(eval $(call gb_CppunitTest_use_vcl,connectivity_commontools))
 
diff --git a/connectivity/CppunitTest_connectivity_sharedresources.mk b/connectivity/CppunitTest_connectivity_sharedresources.mk
index 78209cfbbdf0..9af3f8ca2442 100644
--- a/connectivity/CppunitTest_connectivity_sharedresources.mk
+++ b/connectivity/CppunitTest_connectivity_sharedresources.mk
@@ -15,6 +15,8 @@ $(eval $(call gb_CppunitTest_set_include,connectivity_sharedresources,\
 	$$(INCLUDE) \
 ))
 
+$(eval $(call gb_CppunitTest_use_external,connectivity_sharedresources,boost_headers))
+
 $(eval $(call gb_CppunitTest_use_ure,connectivity_sharedresources))
 $(eval $(call gb_CppunitTest_use_vcl,connectivity_sharedresources))
 
diff --git a/emfio/CppunitTest_emfio_emf_test.mk b/emfio/CppunitTest_emfio_emf_test.mk
index 4f892b42c27b..123e4b3549bd 100644
--- a/emfio/CppunitTest_emfio_emf_test.mk
+++ b/emfio/CppunitTest_emfio_emf_test.mk
@@ -10,6 +10,7 @@
 $(eval $(call gb_CppunitTest_CppunitTest,emfio_emf))
 
 $(eval $(call gb_CppunitTest_use_externals,emfio_emf,\
+    boost_headers \
     libxml2 \
 ))