diff --git a/src/Umbraco.Core/IO/IOHelper.cs b/src/Umbraco.Core/IO/IOHelper.cs
index 286acf0285..de27f13748 100644
--- a/src/Umbraco.Core/IO/IOHelper.cs
+++ b/src/Umbraco.Core/IO/IOHelper.cs
@@ -4,11 +4,11 @@ using System.Globalization;
 using System.Reflection;
 using System.IO;
 using System.Configuration;
+using System.Linq;
 using System.Web;
 using System.Text.RegularExpressions;
 using System.Web.Hosting;
 using Umbraco.Core.Configuration;
-using Umbraco.Core.Logging;
 
 namespace Umbraco.Core.IO
 {
@@ -351,7 +351,21 @@ namespace Umbraco.Core.IO
                     writer.Write(contents);
                 }
 	        }
-	            
-	    }
+
+        }
+
+        /// <summary>
+        /// Checks if a given path is a full path including drive letter
+        /// </summary>
+        /// <param name="path"></param>
+        /// <returns></returns>
+        // From: http://stackoverflow.com/a/35046453/5018
+        internal static bool IsFullPath(this string path)
+        {
+            return string.IsNullOrWhiteSpace(path) == false
+                && path.IndexOfAny(Path.GetInvalidPathChars().ToArray()) == -1
+                && Path.IsPathRooted(path)
+                && Path.GetPathRoot(path).Equals(Path.DirectorySeparatorChar.ToString(), StringComparison.Ordinal) == false;
+        }
     }
 }
diff --git a/src/umbraco.cms/businesslogic/Packager/PackageInstance/InstalledPackage.cs b/src/umbraco.cms/businesslogic/Packager/PackageInstance/InstalledPackage.cs
index a5ae2f5015..dc66592cff 100644
--- a/src/umbraco.cms/businesslogic/Packager/PackageInstance/InstalledPackage.cs
+++ b/src/umbraco.cms/businesslogic/Packager/PackageInstance/InstalledPackage.cs
@@ -145,6 +145,18 @@ namespace umbraco.cms.businesslogic.packager {
             var dataTypes = TryGetIntegerIds(Data.DataTypes).Select(dataTypeService.GetDataTypeDefinitionById).ToList();
             var dictionaryItems = TryGetIntegerIds(Data.DictionaryItems).Select(localizationService.GetDictionaryItemById).ToList();
             var languages = TryGetIntegerIds(Data.Languages).Select(localizationService.GetLanguageById).ToList();
+            
+            for (var i = 0; i < Data.Files.Count; i++)
+            {
+                var filePath = Data.Files[i];
+                if (filePath.IsFullPath())
+                    continue;
+
+                filePath = filePath.TrimStart('~');
+                if (filePath.StartsWith("/") == false)
+                    filePath = string.Format("/{0}", filePath);
+                Data.Files[i] = IOHelper.MapPath(filePath);
+            }
 
             return new InstallationSummary
             {