diff --git a/aconversions/src/include/macros.h b/aconversions/src/include/macros.h
index cdb1197e58e6abf2d4e53af0c921f28e0bcfd419..6af4fc212f7e28f294a4dfcaf99723651ab5b250 100644
--- a/aconversions/src/include/macros.h
+++ b/aconversions/src/include/macros.h
@@ -9,7 +9,7 @@ namespace conversions
 {
 
 #define isInSet(x,set) ( (set).find((x)) != (set).end() )
-#define isInList(x,list) ( find(list.begin(), list.end(), x) )
+#define isInList(x,list) ( find((list).begin(), (list).end(), (x)) )
 #define isKeyInMap(key,map) ( (map).find((key)) != (map).end() )
 
 } /* namespace conversions */