diff --git a/rdf/build/Makefile.in b/rdf/build/Makefile.in
index 001903dae7d3..0742ff6e02d6 100644
--- a/rdf/build/Makefile.in
+++ b/rdf/build/Makefile.in
@@ -42,9 +42,9 @@ REQUIRES = dom js netlib rdf raptor xpcom
 
 # XXX Note dependencies on implementation headers for factory functions
 
-INCLUDES += -I$(srcdir)/../rdf/base/src       \
-	    -I$(srcdir)/../rdf/content/src    \
-	    -I$(srcdir)/../rdf/datasource/src \
+INCLUDES += -I$(srcdir)/../base/src       \
+	    -I$(srcdir)/../content/src    \
+	    -I$(srcdir)/../datasource/src \
 	    $(NULL)
 
 EXTRA_DSO_LDOPTS = \
diff --git a/rdf/content/src/Makefile.in b/rdf/content/src/Makefile.in
index 2d603f55dea1..8a88ce246825 100644
--- a/rdf/content/src/Makefile.in
+++ b/rdf/content/src/Makefile.in
@@ -44,6 +44,10 @@ MODULE = rdf
 
 REQUIRES = dom js netlib rdf raptor xpcom
 
+# XXX This is a dependency on rdfutil.h: it'll go away once that becomes
+# a first-class XPCOM interface.
+INCLUDES += -I$(srcdir)/../../base/src
+
 MKSHLIB :=
 
 # we don't want the shared lib
diff --git a/rdf/datasource/src/Makefile.in b/rdf/datasource/src/Makefile.in
index 34ee0cfea14e..92377c0c13bc 100644
--- a/rdf/datasource/src/Makefile.in
+++ b/rdf/datasource/src/Makefile.in
@@ -40,6 +40,10 @@ MODULE = rdf
 
 REQUIRES = dom js netlib rdf raptor xpcom
 
+# XXX This is a dependency on rdfutil.h: it'll go away once that becomes
+# a first-class XPCOM interface.
+INCLUDES += -I$(srcdir)/../../base/src
+
 MKSHLIB :=
 
 # we don't want the shared lib