diff --git a/extendedcommands.c b/extendedcommands.c
index f3542b7..cb44cb1 100644
--- a/extendedcommands.c
+++ b/extendedcommands.c
@@ -494,7 +494,7 @@
 {
     char str[255];
     char* partition;
-    property_get("ro.recovery.format_ignore_partitions", str, "/misc,/radio,/bootloader,/recovery");
+    property_get("ro.cwm.forbid_format", str, "/misc,/radio,/bootloader,/recovery");
 
     partition = strtok(str, ", ");
     while (partition != NULL) {