diff --git a/mozilla/htmlparser/src/nsXIFDTD.cpp b/mozilla/htmlparser/src/nsXIFDTD.cpp
index ced6481210c..ee98dfb87cc 100644
--- a/mozilla/htmlparser/src/nsXIFDTD.cpp
+++ b/mozilla/htmlparser/src/nsXIFDTD.cpp
@@ -38,7 +38,7 @@
 
 static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);                 
 static NS_DEFINE_IID(kIDTDIID,      NS_IDTD_IID);
-static NS_DEFINE_IID(kClassIID,     NS_XIF_DTD_IID); 
+static NS_DEFINE_IID(kClassIID,     NS_XIF_DTD_CID); 
 
 static const char* kNullToken = "Error: Null token given";
 static const char* kInvalidTagStackPos = "Error: invalid tag stack position";
diff --git a/mozilla/htmlparser/src/nsXIFDTD.h b/mozilla/htmlparser/src/nsXIFDTD.h
index 8a381b7f84f..7b5cc45ba5a 100644
--- a/mozilla/htmlparser/src/nsXIFDTD.h
+++ b/mozilla/htmlparser/src/nsXIFDTD.h
@@ -37,7 +37,7 @@
 #include "nsVoidArray.h"
 
 
-#define NS_XIF_DTD_IID      \
+#define NS_XIF_DTD_CID      \
   {0xc2edf770, 0x06d5,  0x11d2,  \
   {0xbc, 0x4a, 0x00,    0xaa, 0x00, 0x53, 0x3d, 0x6d}}
 
diff --git a/mozilla/parser/htmlparser/src/nsXIFDTD.cpp b/mozilla/parser/htmlparser/src/nsXIFDTD.cpp
index ced6481210c..ee98dfb87cc 100644
--- a/mozilla/parser/htmlparser/src/nsXIFDTD.cpp
+++ b/mozilla/parser/htmlparser/src/nsXIFDTD.cpp
@@ -38,7 +38,7 @@
 
 static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);                 
 static NS_DEFINE_IID(kIDTDIID,      NS_IDTD_IID);
-static NS_DEFINE_IID(kClassIID,     NS_XIF_DTD_IID); 
+static NS_DEFINE_IID(kClassIID,     NS_XIF_DTD_CID); 
 
 static const char* kNullToken = "Error: Null token given";
 static const char* kInvalidTagStackPos = "Error: invalid tag stack position";
diff --git a/mozilla/parser/htmlparser/src/nsXIFDTD.h b/mozilla/parser/htmlparser/src/nsXIFDTD.h
index 8a381b7f84f..7b5cc45ba5a 100644
--- a/mozilla/parser/htmlparser/src/nsXIFDTD.h
+++ b/mozilla/parser/htmlparser/src/nsXIFDTD.h
@@ -37,7 +37,7 @@
 #include "nsVoidArray.h"
 
 
-#define NS_XIF_DTD_IID      \
+#define NS_XIF_DTD_CID      \
   {0xc2edf770, 0x06d5,  0x11d2,  \
   {0xbc, 0x4a, 0x00,    0xaa, 0x00, 0x53, 0x3d, 0x6d}}