diff --git a/tools/AppVeyor.psm1 b/tools/AppVeyor.psm1
index de78763..7cdebf0 100644
--- a/tools/AppVeyor.psm1
+++ b/tools/AppVeyor.psm1
@@ -153,13 +153,17 @@ Function Invoke-CoverageReport() {
         [ValidateNotNullOrEmpty()]
         [String]$RepoToken = $Env:CoverallsToken
     )
-
-    Import-Module ('.\src\{0}.psm1' -f $CALLSIGN) -Verbose -Force
-    $FileMap = New-PesterFileMap -SourceRoot '.\src' -PesterRoot '.\tests'
-    $CoverageReport = New-CoverageReport -PesterFileMap $FileMap -RepoToken $RepoToken
-    Write-Host "CoverageReport JSON:" -ForegroundColor Yellow
-    $CoverageReport | Out-String | Write-Host
-    Publish-CoverageReport -CoverageReport $CoverageReport
+    if ( $null -ne $RepoToken) {
+        Import-Module ('.\src\{0}.psm1' -f $CALLSIGN) -Verbose -Force
+        $FileMap = New-PesterFileMap -SourceRoot '.\src' -PesterRoot '.\tests'
+        $CoverageReport = New-CoverageReport -PesterFileMap $FileMap -RepoToken $RepoToken
+        Write-Host "CoverageReport JSON:" -ForegroundColor Yellow
+        $CoverageReport | Out-String | Write-Host
+        Publish-CoverageReport -CoverageReport $CoverageReport
+    }
+    else {
+        Write-Warning 'CoverallsToken var given but empty. This run is triggered by a PR. Skipping coverage report...'
+    }
 }
 
 Function Invoke-AppVeyorPSGallery() {