diff --git a/exporter/opentelemetry-exporter-jaeger-proto-grpc/src/opentelemetry/exporter/jaeger/proto/grpc/__init__.py b/exporter/opentelemetry-exporter-jaeger-proto-grpc/src/opentelemetry/exporter/jaeger/proto/grpc/__init__.py
index 51b099fa572..621e9d3db22 100644
--- a/exporter/opentelemetry-exporter-jaeger-proto-grpc/src/opentelemetry/exporter/jaeger/proto/grpc/__init__.py
+++ b/exporter/opentelemetry-exporter-jaeger-proto-grpc/src/opentelemetry/exporter/jaeger/proto/grpc/__init__.py
@@ -111,19 +111,20 @@ class JaegerExporter(SpanExporter):
     """
 
     def __init__(
-        self,
-        collector_endpoint: Optional[str] = None,
-        insecure: Optional[bool] = None,
-        credentials: Optional[ChannelCredentials] = None,
-        max_tag_value_length: Optional[int] = None,
-        timeout: Optional[int] = None,
+            self,
+            collector_endpoint: Optional[str] = None,
+            insecure: Optional[bool] = None,
+            credentials: Optional[ChannelCredentials] = None,
+            max_tag_value_length: Optional[int] = None,
+            timeout: Optional[int] = None,
     ):
         self._max_tag_value_length = max_tag_value_length
 
         self.collector_endpoint = collector_endpoint or environ.get(
             OTEL_EXPORTER_JAEGER_ENDPOINT, DEFAULT_GRPC_COLLECTOR_ENDPOINT
         )
-        self.insecure = insecure or environ.get(OTEL_EXPORTER_JAEGER_GRPC_INSECURE)
+        self.insecure = insecure or environ.get(OTEL_EXPORTER_JAEGER_GRPC_INSECURE,
+                                                "").strip().lower() == "true"
         self._timeout = timeout or int(
             environ.get(OTEL_EXPORTER_JAEGER_TIMEOUT, DEFAULT_EXPORT_TIMEOUT)
         )