diff --git a/code/__HELPERS/radiation.dm b/code/__HELPERS/radiation.dm
index a1b781c467..4104e267a7 100644
--- a/code/__HELPERS/radiation.dm
+++ b/code/__HELPERS/radiation.dm
@@ -15,9 +15,10 @@
 	while(processing_list.len)
 		var/atom/thing = processing_list[1]
 		processing_list -= thing
-		if(ignored_things[thing.type] || CHECK_BITFIELD(thing.rad_flags, RAD_PROTECT_SELF))
+		if(ignored_things[thing.type])
 			continue
-		. += thing
+		if(CHECK_BITFIELD(thing.rad_flags, RAD_PROTECT_SELF))
+			. += thing
 		if((thing.rad_flags & RAD_PROTECT_CONTENTS) || (SEND_SIGNAL(thing, COMSIG_ATOM_RAD_PROBE) & COMPONENT_BLOCK_RADIATION))
 			continue
 		processing_list += thing.contents