diff --git a/testhelper/http_responses.go b/testhelper/http_responses.go
index bfdfcdf..e6463a5 100644
--- a/testhelper/http_responses.go
+++ b/testhelper/http_responses.go
@@ -69,6 +69,20 @@
 	}
 
 	if !reflect.DeepEqual(expectedJSON, actualJSON) {
+		prettyExpected, err := json.MarshalIndent(expectedJSON, "", "  ")
+		if err != nil {
+			t.Logf("Unable to pretty-print expected JSON: %v\n%s", err, expected)
+		} else {
+			t.Logf("Expected JSON:\n%s", prettyExpected)
+		}
+
+		prettyActual, err := json.MarshalIndent(actualJSON, "", "  ")
+		if err != nil {
+			t.Logf("Unable to pretty-print actual JSON: %v\n%s", err, b)
+		} else {
+			t.Logf("Actual JSON:\n%s", prettyActual)
+		}
+
 		t.Errorf("Response body did not contain the correct JSON.")
 	}
 }