diff --git a/libs/gst/controller/Makefile.am b/libs/gst/controller/Makefile.am
index bbe3aafc54..f2052c9dd4 100644
--- a/libs/gst/controller/Makefile.am
+++ b/libs/gst/controller/Makefile.am
@@ -53,8 +53,10 @@ include $(top_srcdir)/common/gst-glib-gen.mak
 if HAVE_INTROSPECTION
 BUILT_GIRSOURCES = GstController-@GST_API_VERSION@.gir
 
-gir_headers=$(patsubst %,$(srcdir)/%, $(libgstcontroller_@GST_API_VERSION@_include_HEADERS) $(nodist_libgstcontroller_@GST_API_VERSION@_include_HEADERS))
-gir_sources=$(patsubst %,$(srcdir)/%, $(libgstcontroller_@GST_API_VERSION@_la_SOURCES) $(nodist_libgstcontroller_@GST_API_VERSION@_la_SOURCES))
+gir_headers=$(patsubst %,$(srcdir)/%, $(libgstcontroller_@GST_API_VERSION@_include_HEADERS))
+gir_headers+=$(patsubst %,$(builddir)/%, $(nodist_libgstcontroller_@GST_API_VERSION@_include_HEADERS))
+gir_sources=$(patsubst %,$(srcdir)/%, $(libgstcontroller_@GST_API_VERSION@_la_SOURCES))
+gir_sources+=$(patsubst %,$(builddir)/%, $(nodist_libgstcontroller_@GST_API_VERSION@_la_SOURCES))
 
 GstController-@GST_API_VERSION@.gir: $(INTROSPECTION_SCANNER) libgstcontroller-@GST_API_VERSION@.la
 	$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" GI_SCANNER_DISABLE_CACHE=yes\