diff --git a/cocos2dx/support/zip_support/ioapi.cpp b/cocos2dx/support/zip_support/ioapi.cpp
index 8992ab0878..669ea36927 100644
--- a/cocos2dx/support/zip_support/ioapi.cpp
+++ b/cocos2dx/support/zip_support/ioapi.cpp
@@ -111,7 +111,7 @@ static voidpf ZCALLBACK fopen64_file_func (voidpf opaque, const void* filename,
 
     if ((filename!=NULL) && (mode_fopen != NULL))
     {
-#if (CC_TARGET_PLATFORM == CC_PLATFORM_MARMALADE || CC_TARGET_PLATFORM == CC_PLATFORM_BADA || CC_TARGET_PLATFORM == CC_PLATFORM_BLACKBERRY || CC_TARGET_PLATFORM == CC_PLATFORM_NACL)
+#if (CC_TARGET_PLATFORM == CC_PLATFORM_MARMALADE || CC_TARGET_PLATFORM == CC_PLATFORM_BADA || CC_TARGET_PLATFORM == CC_PLATFORM_BLACKBERRY || CC_TARGET_PLATFORM == CC_PLATFORM_NACL || CC_TARGET_PLATFORM == CC_PLATFORM_EMSCRIPTEN)
         file = NULL;
 #else
         file = fopen64((const char*)filename, mode_fopen);    
@@ -147,7 +147,7 @@ static long ZCALLBACK ftell_file_func (voidpf opaque, voidpf stream)
 static ZPOS64_T ZCALLBACK ftell64_file_func (voidpf opaque, voidpf stream)
 {
     ZPOS64_T ret;
-#if (CC_TARGET_PLATFORM == CC_PLATFORM_MARMALADE || CC_TARGET_PLATFORM == CC_PLATFORM_BADA || CC_TARGET_PLATFORM == CC_PLATFORM_BLACKBERRY || CC_TARGET_PLATFORM == CC_PLATFORM_NACL)
+#if (CC_TARGET_PLATFORM == CC_PLATFORM_MARMALADE || CC_TARGET_PLATFORM == CC_PLATFORM_BADA || CC_TARGET_PLATFORM == CC_PLATFORM_BLACKBERRY || CC_TARGET_PLATFORM == CC_PLATFORM_NACL || CC_TARGET_PLATFORM == CC_PLATFORM_EMSCRIPTEN)
     ret = 0;
 #else
     ret = ftello64((FILE *)stream);
@@ -180,7 +180,7 @@ static long ZCALLBACK fseek_file_func (voidpf  opaque, voidpf stream, uLong offs
 
 static long ZCALLBACK fseek64_file_func (voidpf  opaque, voidpf stream, ZPOS64_T offset, int origin)
 {
-#if (CC_TARGET_PLATFORM == CC_PLATFORM_MARMALADE || CC_TARGET_PLATFORM == CC_PLATFORM_BADA || CC_TARGET_PLATFORM == CC_PLATFORM_BLACKBERRY || CC_TARGET_PLATFORM == CC_PLATFORM_NACL)
+#if (CC_TARGET_PLATFORM == CC_PLATFORM_MARMALADE || CC_TARGET_PLATFORM == CC_PLATFORM_BADA || CC_TARGET_PLATFORM == CC_PLATFORM_BLACKBERRY || CC_TARGET_PLATFORM == CC_PLATFORM_NACL || CC_TARGET_PLATFORM == CC_PLATFORM_EMSCRIPTEN)
     return -1;
 #else
     int fseek_origin=0;