diff --git a/src/kernel/pspinit.h b/src/kernel/pspinit.h
index 28688c5f3e..df90f49cc0 100644
--- a/src/kernel/pspinit.h
+++ b/src/kernel/pspinit.h
@@ -30,6 +30,7 @@ typedef enum PSPBootFrom {
     /** The executable was booted via Flash 3.*/
     PSP_BOOT_FLASH3    = 0x80,
 } PSPBootFrom;
+typedef PSPBootFrom SceBootMediumType;
 
 /**
  * API types of an executable.
@@ -169,6 +170,7 @@ typedef enum PSPKeyConfig {
     /** The application is a PSP application (i.e. Skype). */
     PSP_INIT_KEYCONFIG_APP		= 0x400,
 } PSPKeyConfig;
+typedef PSPKeyConfig SceApplicationType;
 
 /**
  * This structure represents a boot callback belonging to a module.
diff --git a/src/user/pspiofilemgr_dirent.h b/src/user/pspiofilemgr_dirent.h
index f1f9339bb4..988d96b7e9 100644
--- a/src/user/pspiofilemgr_dirent.h
+++ b/src/user/pspiofilemgr_dirent.h
@@ -20,15 +20,22 @@
 
 #include <pspiofilemgr_stat.h>
 
+typedef struct SceIoPrivateDirent {
+	SceSize size;
+	char shortFileName[13];
+	char __padding__[3];
+	char longFileName[1024];
+} SceIoPrivateDirent;
+
 /** Describes a single directory entry */
 typedef struct SceIoDirent {
 	/** File status. */
-	SceIoStat 	d_stat;
+	SceIoStat 	     d_stat;
 	/** File name. */
-	char 		d_name[256];
+	char 		     d_name[256];
 	/** Device-specific data. */
-	void * 		d_private;
-	int 		dummy;
+	SceIoPrivateDirent*  d_private;
+	int 		     dummy;
 } SceIoDirent;
 
 #endif /* PSPIOFILEMGR_DIRENT_H */