diff --git a/code/__DEFINES/is_helpers.dm b/code/__DEFINES/is_helpers.dm
index fbd15e1ef6..40dd7b5f35 100644
--- a/code/__DEFINES/is_helpers.dm
+++ b/code/__DEFINES/is_helpers.dm
@@ -8,7 +8,7 @@
 
 #define ismovableatom(A) (istype(A, /atom/movable))
 
-#define isatom(A) (istype(A, /atom))
+#define isatom(A) (isloc(A))
 
 //Turfs
 //#define isturf(A) (istype(A, /turf)) This is actually a byond built-in. Added here for completeness sake.
@@ -183,4 +183,4 @@ GLOBAL_LIST_INIT(glass_sheet_types, typecacheof(list(
 	/obj/item/stack/sheet/plasmaglass,
 	/obj/item/stack/sheet/plasmarglass)))
 
-#define is_glass_sheet(O) (is_type_in_typecache(O, GLOB.glass_sheet_types))
\ No newline at end of file
+#define is_glass_sheet(O) (is_type_in_typecache(O, GLOB.glass_sheet_types))