diff --git a/libguile/gc-malloc.c b/libguile/gc-malloc.c
index c652f26b1..0ebe03b3c 100644
--- a/libguile/gc-malloc.c
+++ b/libguile/gc-malloc.c
@@ -41,6 +41,10 @@
 
 
 
+#if HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
 #include <stdio.h>
 #include <errno.h>
 #include <string.h>