diff --git a/golang-pam.c b/golang-pam.c
index ea5fd88..58f567c 100644
--- a/golang-pam.c
+++ b/golang-pam.c
@@ -1,4 +1,4 @@
-#include <security/_pam_types.h>
+#include <security/pam_types.h>
 #include <security/pam_appl.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/pamdefs.c b/pamdefs.c
index ef0bbc3..81a0fbd 100644
--- a/pamdefs.c
+++ b/pamdefs.c
@@ -30,9 +30,25 @@ enum {
     $ABORT = PAM_ABORT,
     $AUTHTOK_EXPIRED = PAM_AUTHTOK_EXPIRED,
     $MODULE_UNKNOWN = PAM_MODULE_UNKNOWN,
+
+#if !defined(PAM_BAD_ITEM)
+    $BAD_ITEM = PAM_SYMBOL_ERR,
+#else
     $BAD_ITEM = PAM_BAD_ITEM,
+#endif
+
+#if !defined(PAM_CONV_AGAIN)
+    $CONV_AGAIN = PAM_SYMBOL_ERR,
+#else
     $CONV_AGAIN = PAM_CONV_AGAIN,
+#endif
+
+#if !defined(PAM_INCOMPLETE)
+    $INCOMPLETE = PAM_SYMBOL_ERR
+#else
     $INCOMPLETE = PAM_INCOMPLETE
+#endif
+
 };
 
 enum {