diff --git a/modules/fcgid/fcgid_conf.h b/modules/fcgid/fcgid_conf.h
index e54f64c..bcd938e 100644
--- a/modules/fcgid/fcgid_conf.h
+++ b/modules/fcgid/fcgid_conf.h
@@ -138,7 +138,7 @@
  * to limit shared memory use
  */
 #define INITENV_KEY_LEN 64
-#define INITENV_VAL_LEN 128
+#define INITENV_VAL_LEN 256
 #define INITENV_CNT 64
 typedef struct {
     char initenv_key[INITENV_CNT][INITENV_KEY_LEN];