diff --git a/libisofs/aaip_0_2.c b/libisofs/aaip_0_2.c
index 368fa9b..8ab93f8 100644
--- a/libisofs/aaip_0_2.c
+++ b/libisofs/aaip_0_2.c
@@ -2065,7 +2065,7 @@ int aaip_decode_acl(unsigned char *data, size_t num_data, size_t *consumed,
  unsigned char *rpt;
  char perm_text[4], *wpt, *name= NULL;
  int type, qualifier= 0, perm, ret, cnt, name_size= 1024;
- size_t w_size, name_fill= 0, i;
+ size_t w_size= 0, name_fill= 0, i;
  uid_t uid;
  gid_t gid;
  struct passwd *pwd;
diff --git a/libisofs/iso1999.c b/libisofs/iso1999.c
index d477c5d..26dc2d6 100644
--- a/libisofs/iso1999.c
+++ b/libisofs/iso1999.c
@@ -308,7 +308,7 @@ int mangle_single_dir(Ecma119Image *img, Iso1999Node *dir)
     int ret;
     int i, nchildren;
     Iso1999Node **children;
-    IsoHTable *table;
+    IsoHTable *table = NULL;
     int need_sort = 0;
     char *full_name = NULL, *tmp = NULL;
 
diff --git a/libisofs/joliet.c b/libisofs/joliet.c
index 8b3f9c3..9880459 100644
--- a/libisofs/joliet.c
+++ b/libisofs/joliet.c
@@ -349,7 +349,7 @@ int mangle_single_dir(Ecma119Image *t, JolietNode *dir)
     int ret;
     int i, nchildren, maxchar = 64;
     JolietNode **children;
-    IsoHTable *table;
+    IsoHTable *table = NULL;
     int need_sort = 0;
     uint16_t *full_name = NULL;
     uint16_t *tmp = NULL;