diff --git a/src/main/java/org/qortal/api/resource/BlocksResource.java b/src/main/java/org/qortal/api/resource/BlocksResource.java
index b8163c7d..1ba5ab3c 100644
--- a/src/main/java/org/qortal/api/resource/BlocksResource.java
+++ b/src/main/java/org/qortal/api/resource/BlocksResource.java
@@ -423,17 +423,24 @@ public class BlocksResource {
 	@ApiErrors({
 		ApiError.BLOCK_UNKNOWN, ApiError.REPOSITORY_ISSUE
 	})
-	public BlockData getByHeight(@PathParam("height") int height) {
+	public BlockData getByHeight(@PathParam("height") int height,
+								 @QueryParam("includesignatures") Boolean includeSignatures) {
 		try (final Repository repository = RepositoryManager.getRepository()) {
 			// Firstly check the database
 			BlockData blockData = repository.getBlockRepository().fromHeight(height);
 			if (blockData != null) {
+				if (includeSignatures == null || includeSignatures == false) {
+					blockData.setOnlineAccountsSignatures(null);
+				}
 				return blockData;
 			}
 
 			// Not found, so try the archive
 			blockData = repository.getBlockArchiveRepository().fromHeight(height);
 			if (blockData != null) {
+				if (includeSignatures == null || includeSignatures == false) {
+					blockData.setOnlineAccountsSignatures(null);
+				}
 				return blockData;
 			}
 
diff --git a/src/main/java/org/qortal/data/block/BlockData.java b/src/main/java/org/qortal/data/block/BlockData.java
index 3567d0f8..481d3691 100644
--- a/src/main/java/org/qortal/data/block/BlockData.java
+++ b/src/main/java/org/qortal/data/block/BlockData.java
@@ -204,6 +204,10 @@ public class BlockData implements Serializable {
 		return this.onlineAccountsSignatures;
 	}
 
+	public void setOnlineAccountsSignatures(byte[] onlineAccountsSignatures) {
+		this.onlineAccountsSignatures = onlineAccountsSignatures;
+	}
+
 	// JAXB special
 
 	@XmlElement(name = "minterAddress")
diff --git a/src/test/java/org/qortal/test/api/BlockApiTests.java b/src/test/java/org/qortal/test/api/BlockApiTests.java
index 5b8721af..79d87a1d 100644
--- a/src/test/java/org/qortal/test/api/BlockApiTests.java
+++ b/src/test/java/org/qortal/test/api/BlockApiTests.java
@@ -72,7 +72,7 @@ public class BlockApiTests extends ApiCommon {
 
 	@Test
 	public void testGetBlockByHeight() {
-		assertNotNull(this.blocksResource.getByHeight(1));
+		assertNotNull(this.blocksResource.getByHeight(1, true));
 	}
 
 	@Test