diff --git a/source/net/filebot/format/ExpressionFormat.java b/source/net/filebot/format/ExpressionFormat.java
index 78e4918b..f9d3f971 100644
--- a/source/net/filebot/format/ExpressionFormat.java
+++ b/source/net/filebot/format/ExpressionFormat.java
@@ -193,7 +193,11 @@ public class ExpressionFormat extends Format {
 	}
 
 	protected CharSequence normalizeExpressionValue(Object value) {
-		return value == null ? null : value.toString();
+		if (value == null) {
+			return null;
+		}
+
+		return normalizePathSeparators(value.toString());
 	}
 
 	protected String normalizeResult(CharSequence value) {
diff --git a/source/net/filebot/util/FileUtilities.java b/source/net/filebot/util/FileUtilities.java
index 4fee35fa..d41a5ada 100644
--- a/source/net/filebot/util/FileUtilities.java
+++ b/source/net/filebot/util/FileUtilities.java
@@ -630,10 +630,10 @@ public final class FileUtilities {
 
 	public static String normalizePathSeparators(String path) {
 		// special handling for UNC paths
-		if (path.startsWith(UNC_PREFIX) && path.length() > 2) {
-			return UNC_PREFIX + path.substring(2).replace('\\', '/');
+		if (path.startsWith(UNC_PREFIX)) {
+			return UNC_PREFIX + replacePathSeparators(path.substring(UNC_PREFIX.length()), "/");
 		}
-		return path.replace('\\', '/');
+		return replacePathSeparators(path, "/");
 	}
 
 	public static String replacePathSeparators(CharSequence path) {