diff --git a/coverage.gradle b/coverage.gradle
index 2c0af25368..421c500728 100644
--- a/coverage.gradle
+++ b/coverage.gradle
@@ -80,12 +80,12 @@ task generateCoverageReport(type: JacocoReport) {
 
 task unitTestsWithCoverage(type: GradleBuild) {
     // the 7.1.3 android gradle plugin has a bug where enableTestCoverage generates invalid coverage
-    startParameter.projectProperties.coverage = [enableTestCoverage: false]
+    startParameter.projectProperties.coverage = "false"
     tasks = ['testDebugUnitTest']
 }
 
 task instrumentationTestsWithCoverage(type: GradleBuild) {
-    startParameter.projectProperties.coverage = [enableTestCoverage: true]
+    startParameter.projectProperties.coverage = "true"
     startParameter.projectProperties['android.testInstrumentationRunnerArguments.notPackage'] = 'im.vector.app.ui'
     tasks = [':vector-app:connectedGplayDebugAndroidTest', ':vector:connectedDebugAndroidTest', 'matrix-sdk-android:connectedDebugAndroidTest']
 }
diff --git a/matrix-sdk-android/build.gradle b/matrix-sdk-android/build.gradle
index ef6cb8cddb..9c9d2dd0dc 100644
--- a/matrix-sdk-android/build.gradle
+++ b/matrix-sdk-android/build.gradle
@@ -81,7 +81,7 @@ android {
     buildTypes {
         debug {
             if (project.hasProperty("coverage")) {
-                testCoverageEnabled = coverage.enableTestCoverage
+                testCoverageEnabled = coverage == "true"
             }
             // Set to true to log privacy or sensible data, such as token
             buildConfigField "boolean", "LOG_PRIVATE_DATA", project.property("vector.debugPrivateData")
diff --git a/vector-app/build.gradle b/vector-app/build.gradle
index a4787e90db..b2cfb7b426 100644
--- a/vector-app/build.gradle
+++ b/vector-app/build.gradle
@@ -232,7 +232,7 @@ android {
             resValue "color", "launcher_background", "#0DBD8B"
 
             if (project.hasProperty("coverage")) {
-                testCoverageEnabled = coverage.enableTestCoverage
+                testCoverageEnabled = coverage == "true"
             }
         }
 
diff --git a/vector/build.gradle b/vector/build.gradle
index e9497c81a0..c5bb55ae9a 100644
--- a/vector/build.gradle
+++ b/vector/build.gradle
@@ -69,7 +69,7 @@ android {
     buildTypes {
         debug {
             if (project.hasProperty("coverage")) {
-                testCoverageEnabled = coverage.enableTestCoverage
+                testCoverageEnabled = coverage == "true"
             }
         }
     }