diff --git a/mozilla/layout/generic/nsTextFrame.cpp b/mozilla/layout/generic/nsTextFrame.cpp
index aea6eaa1824..0b222a2c089 100644
--- a/mozilla/layout/generic/nsTextFrame.cpp
+++ b/mozilla/layout/generic/nsTextFrame.cpp
@@ -4642,7 +4642,7 @@ IsPunctuationMark(PRUnichar aChar)
   //The following table is generated by a method written by Ftang, see bug 54467.
   //In case we need to add or substract any character (for example, unicode standard got 
   // updated), the character in table must be kept in strict ascending order
-  static PRUnichar PuncSet[] = 
+  static const PRUnichar PuncSet[] = 
   {
     0x0021, 0x0022, 0x0023, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029,
     0x002A, 0x002C, 0x002E, 0x002F, 0x003A, 0x003B, 0x003F, 0x0040,
diff --git a/mozilla/layout/html/base/src/nsTextFrame.cpp b/mozilla/layout/html/base/src/nsTextFrame.cpp
index aea6eaa1824..0b222a2c089 100644
--- a/mozilla/layout/html/base/src/nsTextFrame.cpp
+++ b/mozilla/layout/html/base/src/nsTextFrame.cpp
@@ -4642,7 +4642,7 @@ IsPunctuationMark(PRUnichar aChar)
   //The following table is generated by a method written by Ftang, see bug 54467.
   //In case we need to add or substract any character (for example, unicode standard got 
   // updated), the character in table must be kept in strict ascending order
-  static PRUnichar PuncSet[] = 
+  static const PRUnichar PuncSet[] = 
   {
     0x0021, 0x0022, 0x0023, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029,
     0x002A, 0x002C, 0x002E, 0x002F, 0x003A, 0x003B, 0x003F, 0x0040,