diff --git a/CHANGES b/CHANGES
index eddc335..60fa164 100644
--- a/CHANGES
+++ b/CHANGES
@@ -8,6 +8,7 @@ SVN HEAD
                 Update manufacturer IDs
                 Remove duplicate "ns" in SDR timings
                 Fix decoding of SDR SPD revision
+                Prevent hang on reserved DDR3 module type
   i2cdetect: Clarify the SMBus commands used for probing by default
   i2c-dev.h: Minimize differences with kernel flavor
              Move SMBus helper functions to include/i2c/smbus.h
diff --git a/eeprom/decode-dimms b/eeprom/decode-dimms
index e28bbfd..3eed675 100755
--- a/eeprom/decode-dimms
+++ b/eeprom/decode-dimms
@@ -1176,7 +1176,7 @@ sub decode_ddr3_sdram($)
 
 	printl("Module Type", ($bytes->[3] <= $#module_types) ?
 					$module_types[$bytes->[3]] :
-					sprint("Reserved (0x%.2X)", $bytes->[3]));
+					sprintf("Reserved (0x%.2X)", $bytes->[3]));
 
 # speed
 	prints("Memory Characteristics");