diff --git a/sbin/snail.nv_pwr_on b/sbin/snail.nv_pwr_on
index 083cf69..f30e40e 100755
--- a/sbin/snail.nv_pwr_on
+++ b/sbin/snail.nv_pwr_on
@@ -14,7 +14,7 @@ fi
 
 # Trying acpi_call method
 if [ -f /proc/acpi/call ]; then
-	model=`dmidecode $@ -s system-product-name` # FIXME: baseboard-product-name ?
+	model=`dmidecode -s system-product-name` # FIXME: baseboard-product-name ?
 	case "$model" in
 		M11XR2)
 			echo '\_SB.PCI0.P0P2.PEGP._PS0' > /proc/acpi/call