diff --git a/code/modules/power/smes.dm b/code/modules/power/smes.dm
index e655570545..778ca00070 100644
--- a/code/modules/power/smes.dm
+++ b/code/modules/power/smes.dm
@@ -154,7 +154,7 @@
 
 	//inputting
 	if(input_attempt && (!input_pulsed && !input_cut) && !grid_check)
-		target_load = min((capacity-charge)/SMESRATE, input_level)	// Amount we will request from the powernet.
+		target_load = clamp((capacity-charge)/SMESRATE, 0, input_level)	// Amount we will request from the powernet.
 		var/input_available = FALSE
 		for(var/obj/machinery/power/terminal/term in terminals)
 			if(!term.powernet)