diff --git a/lib/build.gradle b/lib/build.gradle
index 9c49ee1..7a051d5 100644
--- a/lib/build.gradle
+++ b/lib/build.gradle
@@ -275,19 +275,19 @@ task testSourceJar(type: Jar) {
 task compileTestFile(type: JavaCompile) {
     dependsOn testSourceJar
     source = file('src/test/test.java')
-    destinationDirectory = file('src/test/')
+    destinationDirectory = file("$buildDir")
     classpath = files("src/test/junit-4.13.jar" , "src/test/hamcrest-core-1.4.jar", "build/libs/test-sources.jar")
 }
 
 task runTests(type: JavaExec) {
     workingDir("$projectDir/src/test/")
     dependsOn compileTestFile
-    classpath = files('src/test/', 'src/test/java/', 'src/test/junit-4.13.jar', 'src/test/hamcrest-core-1.3.jar')
+    classpath = files("$buildDir", 'src/test/java/', 'src/test/junit-4.13.jar', 'src/test/hamcrest-core-1.3.jar')
     main = 'org.junit.runner.JUnitCore'
     args = ['test']
     jvmArgs = [
             '-Djava.library.path=' + buildDir.path,
-            '-javaagent:jacoco-0.8.7/lib/jacocoagent.jar'
+            '-javaagent:jacoco-0.8.7/lib/jacocoagent.jar=destfile=../../build/jacoco/jacoco.exec'
     ]
 }
 
@@ -297,9 +297,9 @@ task createCodeCoverageReport(type: JavaExec) {
     classpath = files('src/test/', 'src/test/java/', 'src/test/junit-4.13.jar', 'src/test/hamcrest-core-1.3.jar', 'src/test/jacoco-0.8.7/lib/*')
     main = 'org.jacoco.cli.internal.Main'
     args = [
-            'report', 'jacoco.exec',
+            'report', '../../build/jacoco/jacoco.exec',
             '--classfiles', 'java/org/kiwix/libkiwix/', '--classfiles', 'java/org/kiwix/libzim/',
-            '--html', '../../build/coverage-report', '--xml', 'coverage.xml'
+            '--html', '../../build/coverage-report', '--xml', '../../build/coverage.xml'
     ]
 }