diff --git a/src/main/java/hudson/plugins/scm_sync_configuration/scms/customproviders/git/gitexe/ScmSyncGitUtils.java b/src/main/java/hudson/plugins/scm_sync_configuration/scms/customproviders/git/gitexe/ScmSyncGitUtils.java
index a1ece5d7..ecb6066d 100644
--- a/src/main/java/hudson/plugins/scm_sync_configuration/scms/customproviders/git/gitexe/ScmSyncGitUtils.java
+++ b/src/main/java/hudson/plugins/scm_sync_configuration/scms/customproviders/git/gitexe/ScmSyncGitUtils.java
@@ -62,7 +62,7 @@ public static void addTarget(Commandline cl, List<File> files) throws ScmExcepti
                 String relativeFile = file.getPath();
                 final String canonicalFile = file.getCanonicalPath();
 
-                if (canonicalFile.startsWith(canonicalWorkingDirectory)) {
+                if (file.getCanonicalFile().toPath().startsWith(canonicalWorkingDirectory)) {
                     relativeFile = canonicalFile.substring(canonicalWorkingDirectory.length());
                     if (relativeFile.startsWith(File.separator)) {
                         relativeFile = relativeFile.substring(File.separator.length());