diff --git a/.travis.yml b/.travis.yml
index 18f7052c..2cc58dae 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,7 +25,8 @@ install:
 script:
   - whereis google-chrome-stable
   - whereis chromedriver
-  - export GPG_TTY=`tty`
+  - GPG_TTY=$(tty)
+  - export GPG_TTY
   - gpg --version
   - gpg2 --version
   - mvn test -B -Ptravis -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn
diff --git a/pom.xml b/pom.xml
index 6305de01..295a8f83 100644
--- a/pom.xml
+++ b/pom.xml
@@ -217,6 +217,12 @@
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
                         <version>1.6</version>
+                        <configuration>
+                            <gpgArguments>
+                                <arg>--pinentry-mode</arg>
+                                <arg>loopback</arg>
+                            </gpgArguments>
+                        </configuration>
                         <executions>
                             <execution>
                                 <id>sign-artifacts</id>