diff --git a/Source/Public/ConvertTo-SourceLineNumber.ps1 b/Source/Public/ConvertTo-SourceLineNumber.ps1
index 6c2e8a9..41de7f0 100644
--- a/Source/Public/ConvertTo-SourceLineNumber.ps1
+++ b/Source/Public/ConvertTo-SourceLineNumber.ps1
@@ -58,7 +58,7 @@ function ConvertTo-SourceLineNumber {
                         [PSCustomObject]@{
                             PSTypeName = "BuildSourceMapping"
                             SourceFile = $_.Matches[0].Groups["SourceFile"].Value.Trim("'")
-                            StartLineNumber = $_.LineNumber
+                            StartLineNumber = [System.Int32] $_.LineNumber
                             # This offset is added when calculating the line number
                             # because of the new line we're adding prior to the content
                             # of each script file in the built module.
diff --git a/Tests/Public/ConvertTo-SourceLineNumber.Tests.ps1 b/Tests/Public/ConvertTo-SourceLineNumber.Tests.ps1
index 0b423a9..886f993 100644
--- a/Tests/Public/ConvertTo-SourceLineNumber.Tests.ps1
+++ b/Tests/Public/ConvertTo-SourceLineNumber.Tests.ps1
@@ -20,7 +20,6 @@ Describe "ConvertTo-SourceLineNumber" {
         Pop-Location -StackName ConvertTo-SourceLineNumber
     }
 
-
     It "Should map line <outputLine> in the Module to line <sourceLine> in the source of <sourceFile>" -TestCases $TestCases {
         param($outputLine, $sourceFile, $sourceLine)
 
@@ -79,4 +78,14 @@ Describe "ConvertTo-SourceLineNumber" {
         $SourceLocation.SourceLineNumber | Should -Be 5
         $SourceLocation.Function | Should -Be 'Get-Source'
     }
+
+    It 'Should handle type differences correctly' {
+        $SourceLocation = ConvertTo-SourceLineNumber -SourceFile $Convert_LineNumber_ModulePath -SourceLineNumber ([System.UInt64]48)
+        $SourceLocation.SourceFile | Should -Be ".${\}Public${\}Get-Source.ps1"
+        $SourceLocation.SourceLineNumber | Should -Be 5
+
+        $SourceLocation = ConvertTo-SourceLineNumber -SourceFile $Convert_LineNumber_ModulePath -SourceLineNumber ([System.Int32]48)
+        $SourceLocation.SourceFile | Should -Be ".${\}Public${\}Get-Source.ps1"
+        $SourceLocation.SourceLineNumber | Should -Be 5
+    }
 }