diff --git a/adapters/bizzclick/bizzclick.go b/adapters/bizzclick/bizzclick.go
index a7db3e139fd..4f16268cd05 100644
--- a/adapters/bizzclick/bizzclick.go
+++ b/adapters/bizzclick/bizzclick.go
@@ -108,7 +108,11 @@ func (a *adapter) buildEndpointURL(params *openrtb_ext.ExtBizzclick) (string, er
 	if params.Host != "" {
 		host = params.Host
 	}
-	endpointParams := macros.EndpointTemplateParams{AccountID: params.AccountID, SourceId: params.SourceID, Host: host}
+	sourceId := params.SourceID
+	if params.SourceID == "" {
+		sourceId = params.PlacementID
+	}
+	endpointParams := macros.EndpointTemplateParams{AccountID: params.AccountID, SourceId: sourceId, Host: host}
 	return macros.ResolveMacros(a.endpoint, endpointParams)
 }
 
diff --git a/adapters/bizzclick/bizzclicktest/exemplary/default-host-param.json b/adapters/bizzclick/bizzclicktest/exemplary/default-host-param.json
new file mode 100644
index 00000000000..d11883899b7
--- /dev/null
+++ b/adapters/bizzclick/bizzclicktest/exemplary/default-host-param.json
@@ -0,0 +1,150 @@
+{
+  "mockBidRequest": {
+    "id": "some-request-id",
+    "device": {
+      "ua": "test-user-agent",
+      "ip": "123.123.123.123",
+      "language": "en",
+      "dnt": 0
+    },
+    "tmax": 1000,
+    "user": {
+      "buyeruid": "awesome-user"
+    },
+    "app": {
+      "publisher": {
+        "id": "123456789"
+      },
+      "cat": [
+        "IAB22-1"
+      ],
+      "bundle": "com.app.awesome",
+      "name": "Awesome App",
+      "domain": "awesomeapp.com",
+      "id": "123456789"
+    },
+    "imp": [
+      {
+        "id": "some-impression-id",
+        "tagid": "ogTAGID",
+        "banner": {
+          "w": 320,
+          "h": 50
+        },
+        "ext": {
+          "bidder": {
+            "accountId": "accountId",
+            "placementId": "placementId"
+          }
+        }
+      }
+    ]
+  },
+  "httpCalls": [
+    {
+      "expectedRequest": {
+        "headers": {
+          "Content-Type": [
+            "application/json;charset=utf-8"
+          ],
+          "Accept": [
+            "application/json"
+          ],
+          "X-Openrtb-Version": [
+            "2.5"
+          ],
+          "User-Agent": [
+            "test-user-agent"
+          ],
+          "X-Forwarded-For": [
+            "123.123.123.123"
+          ]
+        },
+        "uri": "http://us-e-node1.bizzclick.com/bid?rtb_seat_id=placementId&secret_key=accountId",
+        "body": {
+          "id": "some-request-id",
+          "device": {
+            "ua": "test-user-agent",
+            "ip": "123.123.123.123",
+            "language": "en",
+            "dnt": 0
+          },
+          "imp": [
+            {
+              "id": "some-impression-id",
+              "banner": {
+                "w": 320,
+                "h": 50
+              },
+              "tagid": "ogTAGID"
+            }
+          ],
+          "app": {
+            "id": "123456789",
+            "name": "Awesome App",
+            "bundle": "com.app.awesome",
+            "domain": "awesomeapp.com",
+            "cat": [
+              "IAB22-1"
+            ],
+            "publisher": {
+              "id": "123456789"
+            }
+          },
+          "user": {
+            "buyeruid": "awesome-user"
+          },
+          "tmax": 1000
+        }
+      },
+      "mockResponse": {
+        "status": 200,
+        "body": {
+          "id": "awesome-resp-id",
+          "seatbid": [
+            {
+              "bid": [
+                {
+                  "id": "a3ae1b4e2fc24a4fb45540082e98e161",
+                  "impid": "1",
+                  "price": 3.5,
+                  "adm": "awesome-markup",
+                  "adomain": [
+                    "awesome.com"
+                  ],
+                  "crid": "20",
+                  "w": 320,
+                  "h": 50
+                }
+              ],
+              "type": "banner",
+              "seat": "bizzclick"
+            }
+          ],
+          "cur": "USD"
+        }
+      }
+    }
+  ],
+  "expectedBidResponses": [
+    {
+      "bids": [
+        {
+          "bid": {
+            "id": "a3ae1b4e2fc24a4fb45540082e98e161",
+            "impid": "1",
+            "price": 3.5,
+            "adm": "awesome-markup",
+            "adomain": [
+              "awesome.com"
+            ],
+            "crid": "20",
+            "w": 320,
+            "h": 50
+          },
+          "type": "banner"
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/openrtb_ext/imp_bizzclick.go b/openrtb_ext/imp_bizzclick.go
index 3d55ba039a6..15a8c2d0d46 100644
--- a/openrtb_ext/imp_bizzclick.go
+++ b/openrtb_ext/imp_bizzclick.go
@@ -1,7 +1,8 @@
 package openrtb_ext
 
 type ExtBizzclick struct {
-	AccountID string `json:"accountId"`
-	SourceID  string `json:"sourceId"`
-	Host      string `json:"host"`
+	AccountID   string `json:"accountId"`
+	SourceID    string `json:"sourceId"`
+	Host        string `json:"host"`
+	PlacementID string `json:"placementId"`
 }
diff --git a/static/bidder-params/bizzclick.json b/static/bidder-params/bizzclick.json
index 937f3356367..3f16e990be1 100644
--- a/static/bidder-params/bizzclick.json
+++ b/static/bidder-params/bizzclick.json
@@ -18,10 +18,25 @@
       "type": "string",
       "description": "Server region",
       "minLength": 1
+    },
+    "placementId": {
+      "type": "string",
+      "description": "Deprecated, use sourceId instead",
+      "minLength": 1
     }
   },
-  "required": [
-    "accountId",
-    "sourceId"
+  "oneOf": [
+    {
+      "required": [
+        "accountId",
+        "placementId"
+      ]
+    },
+    {
+      "required": [
+        "accountId",
+        "sourceId"
+      ]
+    }
   ]
 }
\ No newline at end of file