diff --git a/Modules/config.c.in b/Modules/config.c.in
index 69eb4e67fbb..103ee82fed1 100644
--- a/Modules/config.c.in
+++ b/Modules/config.c.in
@@ -112,6 +112,9 @@ extern void initstdwin();
 #ifdef USE_SOCKET
 extern void initsocket();
 #endif
+#ifdef USE_JPEG
+extern void initjpeg();
+#endif
 
 struct {
 	char *name;
@@ -164,5 +167,9 @@ struct {
 	{"socket",	initsocket},
 #endif
 
+#ifdef USE_JPEG
+	{"jpeg",	initjpeg},
+#endif
+
 	{0,		0}		/* Sentinel */
 };