diff --git a/filter/Library_flash.mk b/filter/Library_flash.mk
index 60fc4d068563..7736b6b4f1ad 100644
--- a/filter/Library_flash.mk
+++ b/filter/Library_flash.mk
@@ -44,7 +44,7 @@ $(eval $(call gb_Library_add_linked_libs,flash,\
 	$(gb_STDLIBS) \
 ))
 
-$(call gb_Library_use_externals,flash,zlib)
+$(eval $(call gb_Library_use_externals,flash,zlib))
 
 $(eval $(call gb_Library_add_exception_objects,flash,\
 	filter/source/flash/impswfdialog \
diff --git a/filter/Library_svgfilter.mk b/filter/Library_svgfilter.mk
index 23119d4ad705..9a6e19aa9c9c 100644
--- a/filter/Library_svgfilter.mk
+++ b/filter/Library_svgfilter.mk
@@ -55,7 +55,7 @@ $(eval $(call gb_Library_add_linked_libs,svgfilter,\
 	$(gb_STDLIBS) \
 ))
 
-$(call gb_Library_use_externals,svgfilter,libxml2)
+$(eval $(call gb_Library_use_externals,svgfilter,libxml2))
 
 $(eval $(call gb_Library_add_exception_objects,svgfilter,\
 	filter/source/svg/b2dellipse \
diff --git a/filter/Library_xsltfilter.mk b/filter/Library_xsltfilter.mk
index 7ee7244f2835..2409a47aab4f 100644
--- a/filter/Library_xsltfilter.mk
+++ b/filter/Library_xsltfilter.mk
@@ -43,10 +43,10 @@ $(eval $(call gb_Library_add_linked_libs,xsltfilter,\
 	$(gb_STDLIBS) \
 ))
 
-$(call gb_Library_use_externals,xsltfilter,\
+$(eval $(call gb_Library_use_externals,xsltfilter,\
 	libxml2 \
 	libxslt \
-)
+))
 
 $(eval $(call gb_Library_add_exception_objects,xsltfilter,\
 	filter/source/xsltfilter/LibXSLTTransformer \