diff --git a/Dockerfile.jailson b/Dockerfile.jailson
index ed4e1d9..ce79665 100644
--- a/Dockerfile.jailson
+++ b/Dockerfile.jailson
@@ -40,8 +40,7 @@ RUN sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
     update-locale LANG=en_US.UTF-8
 
 ENV JAVA_OPTS="-Djdk.lang.Process.launchMechanism=vfork"
-
-ENV LANG en_US.UTF-8
+ENV LANG=en_US.UTF-8
 
 RUN go install github.com/swaggo/swag/cmd/swag@v${SWAG_VERSION}
 
@@ -192,7 +191,7 @@ RUN sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
     dpkg-reconfigure --frontend=noninteractive locales && \
     update-locale LANG=en_US.UTF-8
 
-ENV LANG en_US.UTF-8
+ENV LANG=en_US.UTF-8
 
 EXPOSE ${PORT}
 
diff --git a/src/client/client.go b/src/client/client.go
index 604a915..813fdd9 100644
--- a/src/client/client.go
+++ b/src/client/client.go
@@ -1321,7 +1321,10 @@ func (s *SignalClient) GetGroups(number string) ([]GroupEntry, error) {
 			if identifier == "" {
 				identifier = val.Uuid
 			}
-			members = append(members, identifier)
+
+			if identifier == number {
+				members = append(members, identifier)
+			}
 		}
 		groupEntry.Members = members