diff --git a/UmlautAdaptarr/Controllers/TitleLookupController.cs b/UmlautAdaptarr/Controllers/TitleLookupController.cs
index a392c6c..a60ceb9 100644
--- a/UmlautAdaptarr/Controllers/TitleLookupController.cs
+++ b/UmlautAdaptarr/Controllers/TitleLookupController.cs
@@ -21,9 +21,7 @@ namespace UmlautAdaptarr.Controllers
 			if (string.IsNullOrWhiteSpace(changedTitle))
 				return BadRequest("changedTitle is required.");
 
-			var cleanChangedTitle = changedTitle.Replace(":", "-");
-
-			var originalTitle = cacheService.GetOriginalTitleFromRenamed(cleanChangedTitle);
+			var originalTitle = cacheService.GetOriginalTitleFromRenamed(changedTitle);
 
 			return originalTitle != null
 				? Ok(new { changedTitle, originalTitle })
diff --git a/UmlautAdaptarr/Services/CacheService.cs b/UmlautAdaptarr/Services/CacheService.cs
index 10833d9..c46c2c0 100644
--- a/UmlautAdaptarr/Services/CacheService.cs
+++ b/UmlautAdaptarr/Services/CacheService.cs
@@ -202,6 +202,13 @@ namespace UmlautAdaptarr.Services
 
 			var key = $"{TitleRenamePrefix}{changedTitle.Trim().ToLowerInvariant()}";
 			cache.Set(key, originalTitle, TitleRenameCacheDuration);
+
+			// If title contains ":" also add it as "-" for arr/sabnzbd compatibility
+			if (changedTitle.Contains(':'))
+			{
+				var altKey = $"{TitleRenamePrefix}{changedTitle.Replace(':', '-').Trim().ToLowerInvariant()}";
+				cache.Set(altKey, originalTitle, TitleRenameCacheDuration);
+			}
 		}
 
 		public string? GetOriginalTitleFromRenamed(string changedTitle)