diff --git a/adapters/seedtag/seedtag.go b/adapters/seedtag/seedtag.go
index 7836f2aaff3..11e21699c21 100644
--- a/adapters/seedtag/seedtag.go
+++ b/adapters/seedtag/seedtag.go
@@ -51,6 +51,8 @@ func (a *adapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapters.E
 	}
 
 	requestCopy := *request
+	// Set the CUR of bid to USD after converting all floors
+	requestCopy.Cur = []string{"USD"}
 	requestCopy.Imp = imps
 	requestJSON, err := jsonutil.Marshal(requestCopy)
 	if err != nil {
diff --git a/adapters/seedtag/seedtagtest/exemplary/banner.json b/adapters/seedtag/seedtagtest/exemplary/banner.json
index 8e390c41340..3493131ab73 100644
--- a/adapters/seedtag/seedtagtest/exemplary/banner.json
+++ b/adapters/seedtag/seedtagtest/exemplary/banner.json
@@ -39,6 +39,7 @@
                     "Accept": ["application/json"]
                 },
                 "body": {
+                    "cur": ["USD"],
                     "id": "test-request-id",
                     "imp": [
                         {
diff --git a/adapters/seedtag/seedtagtest/exemplary/bidfloor_converted.json b/adapters/seedtag/seedtagtest/exemplary/bidfloor_converted.json
index de0991c1e62..c109875df41 100644
--- a/adapters/seedtag/seedtagtest/exemplary/bidfloor_converted.json
+++ b/adapters/seedtag/seedtagtest/exemplary/bidfloor_converted.json
@@ -53,6 +53,7 @@
                     "Accept": ["application/json"]
                 },
                 "body": {
+                    "cur": ["USD"],
                     "id": "test-request-id",
                     "imp": [
                         {
diff --git a/adapters/seedtag/seedtagtest/exemplary/video.json b/adapters/seedtag/seedtagtest/exemplary/video.json
index 6bfbc52ad2d..d8ac06fbbe0 100644
--- a/adapters/seedtag/seedtagtest/exemplary/video.json
+++ b/adapters/seedtag/seedtagtest/exemplary/video.json
@@ -41,6 +41,7 @@
                     "Accept": ["application/json"]
                 },
                 "body": {
+                    "cur": ["USD"],
                     "id": "test-request-id",
                     "imp": [
                         {
diff --git a/adapters/seedtag/seedtagtest/supplemental/invalid_mtype.json b/adapters/seedtag/seedtagtest/supplemental/invalid_mtype.json
index 636cb0ce97f..ed830f90b49 100644
--- a/adapters/seedtag/seedtagtest/supplemental/invalid_mtype.json
+++ b/adapters/seedtag/seedtagtest/supplemental/invalid_mtype.json
@@ -37,6 +37,7 @@
             "expectedRequest": {
                 "uri": "http://url.seedtag.com",
                 "body": {
+                    "cur": ["USD"],
                     "id": "test-request-id",
                     "imp": [
                         {
diff --git a/adapters/seedtag/seedtagtest/supplemental/response_unmarshal_error.json b/adapters/seedtag/seedtagtest/supplemental/response_unmarshal_error.json
index de60e366d48..f61a38f3c0c 100644
--- a/adapters/seedtag/seedtagtest/supplemental/response_unmarshal_error.json
+++ b/adapters/seedtag/seedtagtest/supplemental/response_unmarshal_error.json
@@ -37,6 +37,7 @@
             "expectedRequest": {
                 "uri": "http://url.seedtag.com",
                 "body": {
+                    "cur": ["USD"],
                     "id": "test-request-id",
                     "imp": [
                         {
diff --git a/adapters/seedtag/seedtagtest/supplemental/status_bad_request.json b/adapters/seedtag/seedtagtest/supplemental/status_bad_request.json
index 8cd058864ed..27185ea89a5 100644
--- a/adapters/seedtag/seedtagtest/supplemental/status_bad_request.json
+++ b/adapters/seedtag/seedtagtest/supplemental/status_bad_request.json
@@ -29,6 +29,7 @@
             "expectedRequest": {
                 "uri": "http://url.seedtag.com",
                 "body": {
+                    "cur": ["USD"],
                     "id": "test-request-id",
                     "imp": [
                         {
diff --git a/adapters/seedtag/seedtagtest/supplemental/status_no_content.json b/adapters/seedtag/seedtagtest/supplemental/status_no_content.json
index aa415e17ed8..b9aeff07960 100644
--- a/adapters/seedtag/seedtagtest/supplemental/status_no_content.json
+++ b/adapters/seedtag/seedtagtest/supplemental/status_no_content.json
@@ -29,6 +29,7 @@
             "expectedRequest": {
                 "uri": "http://url.seedtag.com",
                 "body": {
+                    "cur": ["USD"],
                     "id": "test-request-id",
                     "imp": [
                         {
diff --git a/adapters/seedtag/seedtagtest/supplemental/status_not_ok.json b/adapters/seedtag/seedtagtest/supplemental/status_not_ok.json
index a5d8f80b414..20b2eb26009 100644
--- a/adapters/seedtag/seedtagtest/supplemental/status_not_ok.json
+++ b/adapters/seedtag/seedtagtest/supplemental/status_not_ok.json
@@ -29,6 +29,7 @@
             "expectedRequest": {
                 "uri": "http://url.seedtag.com",
                 "body": {
+                    "cur": ["USD"],
                     "id": "test-request-id",
                     "imp": [
                         {