diff --git a/xpcom/io/nsFileSpecUnix.cpp b/xpcom/io/nsFileSpecUnix.cpp
index 138388d3afeb..3ebb8cad7b1d 100644
--- a/xpcom/io/nsFileSpecUnix.cpp
+++ b/xpcom/io/nsFileSpecUnix.cpp
@@ -87,7 +87,7 @@ void nsFileSpecHelpers::Canonify(nsSimpleCharString& ioPath, PRBool inMakeDirs)
         return;
     if (inMakeDirs)
     {
-        const mode_t mode = 0700;
+        const mode_t mode = 0755;
         nsFileSpecHelpers::MakeAllDirectories((const char*)ioPath, mode);
     }
 
diff --git a/xpcom/io/nsFileSpecWin.cpp b/xpcom/io/nsFileSpecWin.cpp
index 65bfa567fca3..a72a377d9192 100644
--- a/xpcom/io/nsFileSpecWin.cpp
+++ b/xpcom/io/nsFileSpecWin.cpp
@@ -63,7 +63,7 @@ void nsFileSpecHelpers::Canonify(nsSimpleCharString& ioPath, PRBool inMakeDirs)
 		"Please fix.");
 	if (inMakeDirs)
     {
-        const int mode = 0700;
+        const int mode = 0755;
         nsSimpleCharString unixStylePath = ioPath;
         nsFileSpecHelpers::NativeToUnix(unixStylePath);
         nsFileSpecHelpers::MakeAllDirectories((const char*)unixStylePath, mode);