diff --git a/exporters/otlp/include/opentelemetry/exporters/otlp/otlp_grpc_metric_exporter_factory.h b/exporters/otlp/include/opentelemetry/exporters/otlp/otlp_grpc_metric_exporter_factory.h
index d605100ae6..f8b3ee1fc3 100644
--- a/exporters/otlp/include/opentelemetry/exporters/otlp/otlp_grpc_metric_exporter_factory.h
+++ b/exporters/otlp/include/opentelemetry/exporters/otlp/otlp_grpc_metric_exporter_factory.h
@@ -15,7 +15,7 @@ namespace otlp
 /**
  * Factory class for OtlpGrpcMetricExporter.
  */
-class OtlpGrpcMetricExporterFactory
+class OPENTELEMETRY_EXPORT OtlpGrpcMetricExporterFactory
 {
 public:
   /**
diff --git a/exporters/otlp/include/opentelemetry/exporters/otlp/otlp_http_metric_exporter_factory.h b/exporters/otlp/include/opentelemetry/exporters/otlp/otlp_http_metric_exporter_factory.h
index 2fe0476575..7fa7980470 100644
--- a/exporters/otlp/include/opentelemetry/exporters/otlp/otlp_http_metric_exporter_factory.h
+++ b/exporters/otlp/include/opentelemetry/exporters/otlp/otlp_http_metric_exporter_factory.h
@@ -17,7 +17,7 @@ namespace otlp
 /**
  * Factory class for OtlpHttpMetricExporter.
  */
-class OtlpHttpMetricExporterFactory
+class OPENTELEMETRY_EXPORT OtlpHttpMetricExporterFactory
 {
 public:
   /**