diff --git a/win32/common/libgstbase.def b/win32/common/libgstbase.def
index 12ecb7dac3..c3e89b21c7 100644
--- a/win32/common/libgstbase.def
+++ b/win32/common/libgstbase.def
@@ -5,6 +5,7 @@ EXPORTS
 	gst_adapter_copy
 	gst_adapter_flush
 	gst_adapter_get_type
+	gst_adapter_masked_scan_uint32
 	gst_adapter_new
 	gst_adapter_peek
 	gst_adapter_prev_timestamp