diff --git a/libguile/symbols.c b/libguile/symbols.c
index d56e832a6..7e1d26639 100644
--- a/libguile/symbols.c
+++ b/libguile/symbols.c
@@ -41,6 +41,9 @@
 
 
 
+#if HAVE_CONFIG_H
+#  include <config.h>
+#endif
 
 #include "libguile/_scm.h"
 #include "libguile/chars.h"