diff --git a/pom.xml b/pom.xml
index de5038fff..accc10e34 100644
--- a/pom.xml
+++ b/pom.xml
@@ -57,7 +57,6 @@
     <jee.port>3333</jee.port>
     <refine.data>/tmp/refine</refine.data>
     <surefire.version>2.22.2</surefire.version>
-    <surefireArgs>-Dfile.encoding=cp1252</surefireArgs>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <jackson.version>2.11.0</jackson.version>
   </properties>
@@ -127,7 +126,7 @@
         <artifactId>maven-surefire-plugin</artifactId>
         <version>${surefire.version}</version>
         <configuration>
-          <argLine>${surefireArgs}</argLine>
+          <argLine>${surefireArgs} -Dfile.encoding=cp1252</argLine>
           <suiteXmlFiles>
             <suiteXmlFile>main/tests/server/conf/tests.xml</suiteXmlFile>
           </suiteXmlFiles>
@@ -143,7 +142,7 @@
                 <goals>
                     <goal>prepare-agent</goal>
                 </goals>
-                <phase>process-test-resources</phase>
+                <phase>initialize</phase>
                 <configuration>
                     <destFile>${project.build.directory}/report/jacoco.exec</destFile>
                     <propertyName>surefireArgs</propertyName>
@@ -204,6 +203,7 @@
              <sourceDirectory>extensions/wikidata/src</sourceDirectory>
              <sourceDirectory>extensions/database/src</sourceDirectory>
              <sourceDirectory>extensions/phonetic/src</sourceDirectory>
+             <sourceDirectory>extensions/gdata/src</sourceDirectory>
           </sourceDirectories>
         </configuration>
        </plugin>