diff --git a/code/modules/reagents/chem_wiki_render.dm b/code/modules/reagents/chem_wiki_render.dm
index b3c3a559d7..9c99613fcd 100644
--- a/code/modules/reagents/chem_wiki_render.dm
+++ b/code/modules/reagents/chem_wiki_render.dm
@@ -290,11 +290,11 @@
 	//Description, OD, Addict, Meta
 	outstring += "[R.description] | <ul><li>Metabolism_rate: [R.metabolization_rate/2]u/s</li> [(R.overdose_threshold?"<li>Overdose: [R.overdose_threshold]u</li>":"")] [(R.addiction_threshold?"<li>Addiction: [R.addiction_threshold]u</li>":"")] "
 
-	if(R.impure_chem != "fermiTox" || !R.impure_chem)
+	if(R.impure_chem != "fermiTox" && R.impure_chem)
 		R3 = GLOB.chemical_reagents_list[R.impure_chem]
 		outstring += "<li>Impure chem:<a href=\"#[R3.name]\">[R3.name]</a></li>"
 
-	if(R.inverse_chem != "fermiTox" || !R.inverse_chem)
+	if(R.inverse_chem != "fermiTox" && R.inverse_chem)
 		R3 = GLOB.chemical_reagents_list[R.inverse_chem]
 		outstring += "<li>Inverse chem:<a href=\"#[R3.name]\">[R3.name]</a></li> "