diff --git a/extendedcommands.c b/extendedcommands.c
index 2e3fa51..3dbba60 100644
--- a/extendedcommands.c
+++ b/extendedcommands.c
@@ -422,7 +422,7 @@
 
     // device may simply be a name, like "system"
     if (device[0] != '/')
-        return erase_raw_partition(device);
+        return erase_raw_partition(fs_type, device);
 
     // if this is SDEXT:, don't worry about it if it does not exist.
     if (0 == strcmp(path, "/sd-ext"))