diff --git a/chrome/content/zotero/xpcom/data/item.js b/chrome/content/zotero/xpcom/data/item.js
index 617fbc44a0..ab1545527f 100644
--- a/chrome/content/zotero/xpcom/data/item.js
+++ b/chrome/content/zotero/xpcom/data/item.js
@@ -4424,6 +4424,14 @@ Zotero.Item.prototype.fromJSON = function (json, options = {}) {
 				invalidFieldLogLines.delete(mappedField);
 			}
 		}
+		
+		// Remove "Version Number" if "Edition" is set, since as of 3/2020 the RDF translator
+		// assigns it
+		if (extraFields.has('versionNumber') && setFields.has('edition')
+				&& extraFields.get('versionNumber') == this.getField('edition')) {
+			extraFields.delete('versionNumber');
+			invalidFieldLogLines.delete('versionNumber');
+		}
 	}
 	
 	for (let line of invalidFieldLogLines.values()) {
diff --git a/test/tests/itemTest.js b/test/tests/itemTest.js
index e3ee830ec0..a19df08674 100644
--- a/test/tests/itemTest.js
+++ b/test/tests/itemTest.js
@@ -1913,6 +1913,18 @@ describe("Zotero.Item", function () {
 				item.fromJSON(json);
 				assert.equal(item.getField('extra'), '');
 			});
+			
+			it("should ignore versionNumber for books", async function () {
+				var json = {
+					itemType: "book",
+					edition: "1",
+					versionNumber: "1"
+				};
+				var item = new Zotero.Item;
+				item.fromJSON(json);
+				assert.equal(item.getField('edition'), "1");
+				assert.equal(item.getField('extra'), '');
+			});
 		});
 		
 		describe("strict mode", function () {