diff --git a/NEWS b/NEWS
index 4ab91637..c348ea90 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,4 @@
+    - ignore case in IF statements (Rainer Collet, Monte)
     - treat undefined constants as null (Ferdinand Beyer, Monte)
     - fix problem with inserts and nested fetches
       (Rainer Collet, Monte)
diff --git a/Smarty_Compiler.class.php b/Smarty_Compiler.class.php
index 76e172bf..192401c2 100644
--- a/Smarty_Compiler.class.php
+++ b/Smarty_Compiler.class.php
@@ -1103,7 +1103,7 @@ class Smarty_Compiler extends Smarty {
 
             $token = &$tokens[$i];
 			
-            switch ($token) {
+            switch (strtolower($token)) {
                 case '!':
                 case '%':
                 case '!==':
diff --git a/libs/Smarty_Compiler.class.php b/libs/Smarty_Compiler.class.php
index 76e172bf..192401c2 100644
--- a/libs/Smarty_Compiler.class.php
+++ b/libs/Smarty_Compiler.class.php
@@ -1103,7 +1103,7 @@ class Smarty_Compiler extends Smarty {
 
             $token = &$tokens[$i];
 			
-            switch ($token) {
+            switch (strtolower($token)) {
                 case '!':
                 case '%':
                 case '!==':