diff --git a/mozilla/content/macbuild/contentIDL.xml b/mozilla/content/macbuild/contentIDL.xml
index 77fdc2daae7..f727c450fa0 100644
--- a/mozilla/content/macbuild/contentIDL.xml
+++ b/mozilla/content/macbuild/contentIDL.xml
@@ -885,7 +885,7 @@
                 </FILE>
                 <FILE>
                     <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsDragDropHandler.idl</PATH>
+                    <PATH>nsIDragDropHandler.idl</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                     <FILEKIND>Text</FILEKIND>
                     <FILEFLAGS></FILEFLAGS>
@@ -989,7 +989,7 @@
                 </FILEREF>
                 <FILEREF>
                     <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsDragDropHandler.idl</PATH>
+                    <PATH>nsIDragDropHandler.idl</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                 </FILEREF>
             </LINKORDER>
@@ -1826,7 +1826,7 @@
                 </FILE>
                 <FILE>
                     <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsDragDropHandler.idl</PATH>
+                    <PATH>nsIDragDropHandler.idl</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                     <FILEKIND>Text</FILEKIND>
                     <FILEFLAGS></FILEFLAGS>
@@ -1930,7 +1930,7 @@
                 </FILEREF>
                 <FILEREF>
                     <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsDragDropHandler.idl</PATH>
+                    <PATH>nsIDragDropHandler.idl</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                 </FILEREF>
             </LINKORDER>
@@ -2060,7 +2060,7 @@
         <FILEREF>
             <TARGETNAME>headers</TARGETNAME>
             <PATHTYPE>Name</PATHTYPE>
-            <PATH>nsDragDropHandler.idl</PATH>
+            <PATH>nsIDragDropHandler.idl</PATH>
             <PATHFORMAT>MacOS</PATHFORMAT>
         </FILEREF>
     </GROUPLIST>