diff --git a/sources/unzip/ioapi.cpp b/sources/unzip/ioapi.cpp
index 669ea369..5645b716 100644
--- a/sources/unzip/ioapi.cpp
+++ b/sources/unzip/ioapi.cpp
@@ -12,7 +12,7 @@
 
 #include "ioapi.h"
 
-namespace cocos2d {
+namespace cc {
 
 voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode)
 {
@@ -242,4 +242,4 @@ void fill_fopen64_filefunc (zlib_filefunc64_def*  pzlib_filefunc_def)
     pzlib_filefunc_def->opaque = NULL;
 }
 
-} // end of namespace cocos2d
+} // end of namespace cc
diff --git a/sources/unzip/ioapi.h b/sources/unzip/ioapi.h
index 813addad..7accbafc 100644
--- a/sources/unzip/ioapi.h
+++ b/sources/unzip/ioapi.h
@@ -44,7 +44,7 @@
 #include <stdlib.h>
 #include "zlib.h"
 
-namespace cocos2d {
+namespace cc {
 
 #ifndef OF
 #define OF _Z_OF
@@ -194,6 +194,6 @@ void    fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_fi
 #define ZTELL64(filefunc,filestream)            (call_ztell64((&(filefunc)),(filestream)))
 #define ZSEEK64(filefunc,filestream,pos,mode)   (call_zseek64((&(filefunc)),(filestream),(pos),(mode)))
 
-} // end of namespace cocos2d
+} // end of namespace cc
 
 #endif
diff --git a/sources/unzip/ioapi_mem.cpp b/sources/unzip/ioapi_mem.cpp
index 1c6b82f6..7638965d 100644
--- a/sources/unzip/ioapi_mem.cpp
+++ b/sources/unzip/ioapi_mem.cpp
@@ -32,7 +32,7 @@
 
 #endif
 
-namespace cocos2d {
+namespace cc {
 
     voidpf ZCALLBACK fopen_mem_func (voidpf opaque,
                                      const char* filename,
@@ -228,4 +228,4 @@ namespace cocos2d {
         pzlib_filefunc_def->zfile_func64.opaque = NULL;
     }
     
-}; // namespace cocos2d
+}; // namespace cc
diff --git a/sources/unzip/ioapi_mem.h b/sources/unzip/ioapi_mem.h
index 23235298..0dc400c1 100644
--- a/sources/unzip/ioapi_mem.h
+++ b/sources/unzip/ioapi_mem.h
@@ -5,7 +5,7 @@
 #include "ioapi.h"
 
 
-namespace cocos2d {
+namespace cc {
     voidpf ZCALLBACK fopen_mem_func OF((
                                         voidpf opaque,
                                         const char* filename,
diff --git a/sources/unzip/unzip.cpp b/sources/unzip/unzip.cpp
index 0ba5062a..2afb6b6e 100644
--- a/sources/unzip/unzip.cpp
+++ b/sources/unzip/unzip.cpp
@@ -87,7 +87,7 @@
 #   include <errno.h>
 #endif
 
-namespace cocos2d {
+namespace cc {
 
 #ifndef local
 #  define local static
@@ -2168,4 +2168,4 @@ int ZEXPORT unzSetOffset (unzFile file, uLong pos)
     return unzSetOffset64(file,pos);
 }
 
-} // end of namespace cocos2d
+} // end of namespace cc
diff --git a/sources/unzip/unzip.h b/sources/unzip/unzip.h
index a08d447f..0243f150 100644
--- a/sources/unzip/unzip.h
+++ b/sources/unzip/unzip.h
@@ -78,7 +78,7 @@ typedef voidp unzFile;
 #define UNZ_INTERNALERROR               (-104)
 #define UNZ_CRCERROR                    (-105)
 
-namespace cocos2d {
+namespace cc {
 
 /* tm_unz contain date/time info */
 typedef struct tm_unz_s
@@ -451,6 +451,6 @@ uLong CC_DLL unzGetOffset (unzFile file);
 int CC_DLL unzSetOffset64 (unzFile file, ZPOS64_T pos);
 int CC_DLL unzSetOffset (unzFile file, uLong pos);
 
-} // end of namespace cocos2d
+}
 
 #endif /* _unz64_H */