diff --git a/code/datums/uplink_item.dm b/code/datums/uplink_item.dm
index 42fa4018f6..b57958fef7 100644
--- a/code/datums/uplink_item.dm
+++ b/code/datums/uplink_item.dm
@@ -81,7 +81,7 @@ var/list/uplink_items = list()
 		return 0
 
 	// If the uplink's holder is in the user's contents
-	if ((U.loc in user.contents || (in_range(U.loc, user) && istype(U.loc.loc, /turf))))
+	if ((U.loc in user.contents) || (in_range(U.loc, user) && istype(U.loc.loc, /turf)))
 		user.set_machine(U)
 		if(cost > U.uses)
 			return 0
diff --git a/code/game/machinery/telecomms/computers/logbrowser.dm b/code/game/machinery/telecomms/computers/logbrowser.dm
index c78f4e9133..756a72bb04 100644
--- a/code/game/machinery/telecomms/computers/logbrowser.dm
+++ b/code/game/machinery/telecomms/computers/logbrowser.dm
@@ -206,7 +206,7 @@
 
 		var/newnet = stripped_input(usr, "Which network do you want to view?", "Comm Monitor", network)
 
-		if(newnet && ((usr in range(1, src) || issilicon(usr))))
+		if(newnet && ((usr in range(1, src)) || issilicon(usr)))
 			if(length(newnet) > 15)
 				temp = "<font color = #D70B00>- FAILED: NETWORK TAG STRING TOO LENGHTLY -</font color>"
 
diff --git a/code/game/machinery/telecomms/computers/telemonitor.dm b/code/game/machinery/telecomms/computers/telemonitor.dm
index aad74e3e6e..efdbdaa4c9 100644
--- a/code/game/machinery/telecomms/computers/telemonitor.dm
+++ b/code/game/machinery/telecomms/computers/telemonitor.dm
@@ -109,7 +109,7 @@
 	if(href_list["network"])
 
 		var/newnet = stripped_input(usr, "Which network do you want to view?", "Comm Monitor", network)
-		if(newnet && ((usr in range(1, src) || issilicon(usr))))
+		if(newnet && ((usr in range(1, src)) || issilicon(usr)))
 			if(length(newnet) > 15)
 				temp = "<font color = #D70B00>- FAILED: NETWORK TAG STRING TOO LENGHTLY -</font color>"
 
diff --git a/code/modules/html_interface/html_interface.dm b/code/modules/html_interface/html_interface.dm
index 38fb620fdd..66ced5276c 100644
--- a/code/modules/html_interface/html_interface.dm
+++ b/code/modules/html_interface/html_interface.dm
@@ -221,7 +221,7 @@ mob/verb/test()
 	hclient = getClient(hclient, TRUE)
 
 	if (istype(hclient))
-		if (type in asset_list && islist(asset_list[type]))
+		if ((type in asset_list) && islist(asset_list[type]))
 			send_asset_list(hclient.client, asset_list[type], TRUE)
 
 		if (!winexists(hclient.client, "browser_\ref[src]"))
diff --git a/code/modules/surgery/cavity_implant.dm b/code/modules/surgery/cavity_implant.dm
index c32bca635a..c56b673a06 100644
--- a/code/modules/surgery/cavity_implant.dm
+++ b/code/modules/surgery/cavity_implant.dm
@@ -25,7 +25,7 @@
 
 /datum/surgery_step/handle_cavity/success(mob/user, mob/living/carbon/target, target_zone, obj/item/tool, datum/surgery/surgery)
 	if(tool)
-		if(IC || tool.w_class > 3 || NODROP in tool.flags || istype(tool, /obj/item/organ))
+		if(IC || tool.w_class > 3 || (NODROP in tool.flags) || istype(tool, /obj/item/organ))
 			user << "<span class='warning'>You can't seem to fit [tool] in [target]'s [target_zone]!</span>"
 			return 0
 		else