diff --git a/CHANGELOG.md b/CHANGELOG.md
index b51ccb21..6a53cd0e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Change Log
 
+## [NEXT VERSION] - YYYY-MM-DD
+
+### Added
+
+- Parameter for retrieving information about a specific user with `Get-JiraUser` (#328, [@michalporeba])
+  - this implementations will be changed with the next major update in favor of #306
+
 ## [2.9] - 2018-12-12
 
 ### Added
@@ -21,7 +28,6 @@
 - Fixed missing properties on `Get-JiraUser` (#321, [@lipkau])
 - Fixed `-DateStarted` on `Add-JiraIssueWorklog` (#324, [@lipkau])
 
-
 ## [2.8] - 2018-06-28
 
 More detailed description about the changes can be found on [Our Website](https://atlassianps.org/article/announcement/JiraPS-v2.8.html).
@@ -311,6 +317,7 @@ which is in turn inspired by the [Vagrant](https://github.com/mitchellh/vagrant/
   [@LiamLeane]: https://github.com/LiamLeane
   [@lipkau]: https://github.com/lipkau
   [@lukhase]: https://github.com/lukhase
+  [@michalporeba]: https://github.com/michalporeba
   [@padgers]: https://github.com/padgers
   [@ThePSAdmin]: https://github.com/ThePSAdmin
   [@tuxgoose]: https://github.com/tuxgoose
diff --git a/JiraPS/Public/Get-JiraUser.ps1 b/JiraPS/Public/Get-JiraUser.ps1
index 640517ce..aa18cc30 100644
--- a/JiraPS/Public/Get-JiraUser.ps1
+++ b/JiraPS/Public/Get-JiraUser.ps1
@@ -11,6 +11,10 @@ function Get-JiraUser {
         [Parameter( Position = 0, Mandatory, ParameterSetName = 'ByInputObject' )]
         [Object[]] $InputObject,
 
+        [Parameter( ParameterSetName = 'ByInputObject' )]
+        [Parameter( ParameterSetName = 'ByUserName' )]
+        [Switch]$Exact,
+
         [Switch]
         $IncludeInactive,
 
@@ -37,6 +41,7 @@ function Get-JiraUser {
 
         $selfResourceUri = "$server/rest/api/latest/myself"
         $searchResourceUri = "$server/rest/api/latest/user/search?username={0}"
+        $exactResourceUri = "$server/rest/api/latest/user?username={0}"
 
         if ($IncludeInactive) {
             $searchResourceUri += "&includeInactive=true"
@@ -80,7 +85,7 @@ function Get-JiraUser {
                 $PsCmdlet.ParameterSetName = "ByUserName"
             }
             "ByUserName" {
-                $resourceURi = $searchResourceUri
+                $resourceURi = if ($Exact) { $exactResourceUri } else { $searchResourceUri }
 
                 foreach ($user in $UserName) {
                     Write-Verbose "[$($MyInvocation.MyCommand.Name)] Processing [$user]"
diff --git a/JiraPS/Public/Set-JiraIssue.ps1 b/JiraPS/Public/Set-JiraIssue.ps1
index 2dfb465e..01bce57c 100644
--- a/JiraPS/Public/Set-JiraIssue.ps1
+++ b/JiraPS/Public/Set-JiraIssue.ps1
@@ -96,7 +96,7 @@ function Set-JiraIssue {
                 $validAssignee = $true
             }
             else {
-                if ($assigneeObj = Get-JiraUser -UserName $Assignee -Credential $Credential) {
+                if ($assigneeObj = Get-JiraUser -UserName $Assignee -Credential $Credential -Exact) {
                     Write-Debug "[$($MyInvocation.MyCommand.Name)] User found (name=[$($assigneeObj.Name)],RestUrl=[$($assigneeObj.RestUrl)])"
                     $assigneeString = $assigneeObj.Name
                     $validAssignee = $true
diff --git a/Tests/Functions/Get-JiraUser.Unit.Tests.ps1 b/Tests/Functions/Get-JiraUser.Unit.Tests.ps1
index cd09868c..d8a13a43 100644
--- a/Tests/Functions/Get-JiraUser.Unit.Tests.ps1
+++ b/Tests/Functions/Get-JiraUser.Unit.Tests.ps1
@@ -108,6 +108,12 @@ Describe "Get-JiraUser" -Tag 'Unit' {
             ConvertFrom-Json -InputObject $restResult
         }
 
+        # Get exact user
+        Mock Invoke-JiraMethod -ModuleName JiraPS -ParameterFilter {$Method -eq 'Get' -and $URI -like "$jiraServer/rest/api/*/user?username=$testUsername"} {
+            ShowMockInfo 'Invoke-JiraMethod' 'Method', 'Uri'
+            ConvertFrom-Json -InputObject $restResult
+        }
+
         # Viewing a specific user. The main difference here is that this includes groups, and the first does not.
         Mock Invoke-JiraMethod -ModuleName JiraPS -ParameterFilter {$Method -eq 'Get' -and $URI -like "$jiraServer/rest/api/*/user?username=$testUsername&expand=groups"} {
             ShowMockInfo 'Invoke-JiraMethod' 'Method', 'Uri'
@@ -138,6 +144,16 @@ Describe "Get-JiraUser" -Tag 'Unit' {
 
             $getResult | Should Not BeNullOrEmpty
 
+            Assert-MockCalled -CommandName Invoke-JiraMethod -Exactly 1 -Scope It -ParameterFilter {$URI -like "$jiraServer/rest/api/*/user/search?*username=$testUsername*"}
+            Assert-MockCalled -CommandName Invoke-JiraMethod -Exactly 1 -Scope It -ParameterFilter {$URI -like "$jiraServer/rest/api/*/user?username=$testUsername&expand=groups"}
+        }
+
+        It "Gets information about a provided Jira exact user" {
+            $getResult = Get-JiraUser -UserName $testUsername -Exact
+
+            $getResult | Should Not BeNullOrEmpty
+
+            Assert-MockCalled -CommandName Invoke-JiraMethod -Exactly 1 -Scope It -ParameterFilter {$Method -eq 'Get' -and $URI -like "$jiraServer/rest/api/*/user?username=$testUsername"}
             Assert-MockCalled -CommandName Invoke-JiraMethod -Exactly 1 -Scope It -ParameterFilter {$URI -like "$jiraServer/rest/api/*/user?username=$testUsername&expand=groups"}
         }
 
diff --git a/docs/en-US/commands/Get-JiraUser.md b/docs/en-US/commands/Get-JiraUser.md
index 76d9d06c..fa55f7eb 100644
--- a/docs/en-US/commands/Get-JiraUser.md
+++ b/docs/en-US/commands/Get-JiraUser.md
@@ -24,13 +24,13 @@ Get-JiraUser [-Credential <PSCredential>] [<CommonParameters>]
 ### ByUserName
 
 ```powershell
-Get-JiraUser [-UserName] <String[]> [-IncludeInactive] [[-MaxResults] <UInt32>] [[-Skip] <UInt64>] [-Credential <PSCredential>] [<CommonParameters>]
+Get-JiraUser [-UserName] <String[]> [-IncludeInactive] [[-MaxResults] <UInt32>] [[-Skip] <UInt64>] [-Credential <PSCredential>] [-Exact] [<CommonParameters>]
 ```
 
 ### ByInputObject
 
 ```powershell
-Get-JiraUser [-InputObject] <Object[]> [-IncludeInactive] [-Credential <PSCredential>] [<CommonParameters>]
+Get-JiraUser [-InputObject] <Object[]> [-IncludeInactive] [-Credential <PSCredential>] [-Exact] [<CommonParameters>]
 ```
 
 ## DESCRIPTION
@@ -45,7 +45,7 @@ This function returns information regarding a specified user from Jira.
 Get-JiraUser -UserName user1
 ```
 
-Returns information about the user user1
+Returns information about all users with username like user1
 
 ### EXAMPLE 2
 
@@ -63,6 +63,14 @@ Get-JiraUser -Credential $cred
 
 This example returns the JIRA user that is executing the command.
 
+### EXAMPLE 4
+
+```powershell 
+Get-JiraUser -UserName user1 -Exact
+```
+
+Returns information about user user1
+
 ## PARAMETERS
 
 ### -UserName
@@ -97,6 +105,22 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -Exact
+
+Limits the search to users where the username is exactly the term searched for.
+
+```yaml
+Type: Switch
+Parameter Sets: ByUserName, ByInputObject
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -IncludeInactive
 
 Include inactive users in the search