diff --git a/PC/config.c b/PC/config.c
index 0c34041..7014cce 100644
--- a/PC/config.c
+++ b/PC/config.c
@@ -58,6 +58,8 @@
 extern void initstruct();
 extern void inittime();
 extern void initthread();
+extern void initcStringIO();
+extern void initcPickle();
 
 /* -- ADDMODULE MARKER 1 -- */
 
@@ -94,6 +96,8 @@
 #ifdef WITH_THREAD
         {"thread", initthread},
 #endif
+		{"cStringIO", initcStringIO},
+		{"cPickle", initcPickle},
 
 /* -- ADDMODULE MARKER 2 -- */