diff --git a/Utils/Shared/filesepStandard.m b/Utils/Shared/filesepStandard.m
index 78027340..e099c99e 100644
--- a/Utils/Shared/filesepStandard.m
+++ b/Utils/Shared/filesepStandard.m
@@ -49,7 +49,9 @@
     idxs = [];        
     k = find(pathname0=='\' | pathname0=='/');
     for ii = 1:length(k)
-        if (ii>1) && (k(ii) == k(ii-1)+1)
+        if (ii>1) && (k(ii) == k(ii-1)+1) && (k(ii) > 2)
+            % adjacent two values are same, and the values are not the
+            % first two characters (for paths like \\ad\eng\ ...)
             idxs = [idxs, k(ii)]; %#ok<AGROW>
             continue;
         end
diff --git a/Utils/submodules/filesepStandard_startup.m b/Utils/submodules/filesepStandard_startup.m
index c018b959..9c7e4555 100644
--- a/Utils/submodules/filesepStandard_startup.m
+++ b/Utils/submodules/filesepStandard_startup.m
@@ -50,9 +50,10 @@
     idxs = [];        
     k = find(pathname0=='\' | pathname0=='/');
     for ii = 1:length(k)
-        if (ii>1) && (k(ii) == k(ii-1)+1)
+        if (ii>1) && (k(ii) == k(ii-1)+1) && (k(ii) > 2)
+            % adjacent two values are same, and the values are not the
+            % first two characters (for paths like \\ad\eng\ ...)
             idxs = [idxs, k(ii)]; %#ok<AGROW>
-            continue;
         end
         pathname0(k(ii)) = '/';
     end
diff --git a/setpaths.m b/setpaths.m
index 4cff9aae..f832b9ce 100644
--- a/setpaths.m
+++ b/setpaths.m
@@ -577,9 +577,10 @@ function printMethod(msg)
     idxs = [];        
     k = find(pathname0=='\' | pathname0=='/');
     for ii = 1:length(k)
-        if (ii>1) && (k(ii) == k(ii-1)+1)
+        if (ii>1) && (k(ii) == k(ii-1)+1) && (k(ii) > 2)
+            % adjacent two values are same, and the values are not the
+            % first two characters (for paths like \\ad\eng\ ...)
             idxs = [idxs, k(ii)]; %#ok<AGROW>
-            continue;
         end
         pathname0(k(ii)) = '/';
     end