diff --git a/src/main/java/ch/njol/skript/aliases/ItemData.java b/src/main/java/ch/njol/skript/aliases/ItemData.java
index 0f68279f43a..f18812aabb8 100644
--- a/src/main/java/ch/njol/skript/aliases/ItemData.java
+++ b/src/main/java/ch/njol/skript/aliases/ItemData.java
@@ -278,7 +278,7 @@ public boolean equals(final @Nullable Object obj) {
 			return false;
 		
 		ItemData other = (ItemData) obj;
-		if (isAlias) { // This is alias, other item might not be
+		if (isAlias()) { // This is alias, other item might not be
 			return other.matchAlias(this).isAtLeast(MatchQuality.SAME_ITEM);
 		} else { // This is not alias, but other might be
 			return matchAlias(other).isAtLeast(MatchQuality.SAME_ITEM);
diff --git a/src/test/skript/tests/syntaxes/effects/EffEquip.sk b/src/test/skript/tests/syntaxes/effects/EffEquip.sk
new file mode 100644
index 00000000000..a4a88a94f28
--- /dev/null
+++ b/src/test/skript/tests/syntaxes/effects/EffEquip.sk
@@ -0,0 +1,12 @@
+test "equip effect":
+	spawn a zombie at spawn of "world":
+		set {_entity} to event-entity
+
+	equip {_entity} with a diamond chestplate
+	assert chestplate of {_entity} is a diamond chestplate with "entity was not wearing a diamond chestplate"
+	set chestplate of {_entity} to air
+
+	equip {_entity} with a diamond chestplate named "Test"
+	assert chestplate of {_entity} is a diamond chestplate named "Test" with "entity was not wearing a named diamond chestplate"
+
+	delete the entity within {_entity}