diff --git a/src/WINNT/afsd/fs.c b/src/WINNT/afsd/fs.c
index c4a7edaac2..892d0348d2 100644
--- a/src/WINNT/afsd/fs.c
+++ b/src/WINNT/afsd/fs.c
@@ -293,7 +293,12 @@ Parent(char *apath)
     }
     tp = strrchr(tspace, '\\');
     if (tp) {
-	*(tp+1) = 0;	/* lv trailing slash so Parent("k:\foo") is "k:\" not "k:" */
+        if (tp - tspace > 2 &&
+            tspace[1] == ':' &&
+            &tspace[2] == tp)
+	    *(tp+1) = 0;	/* lv trailing slash so Parent("k:\foo") is "k:\" not "k:" */
+        else
+            *tp = 0;
     }
     else {
 	fs_ExtractDriveLetter(apath, tspace);
diff --git a/src/WINNT/afsd/symlink.c b/src/WINNT/afsd/symlink.c
index 43f0bf7ed1..50b47e63ca 100644
--- a/src/WINNT/afsd/symlink.c
+++ b/src/WINNT/afsd/symlink.c
@@ -256,13 +256,18 @@ static BOOL IsAdmin (void)
 }
 
 /* return a static pointer to a buffer */
-static char *Parent(apath)
-char *apath; {
+static char *Parent(char *apath)
+{
     char *tp;
     strcpy(tspace, apath);
     tp = strrchr(tspace, '\\');
     if (tp) {
-	*(tp+1) = 0;	/* lv trailing slash so Parent("k:\foo") is "k:\" not "k:" */
+        if (tp - tspace > 2 &&
+            tspace[1] == ':' &&
+            &tspace[2] == tp)
+	    *(tp+1) = 0;	/* lv trailing slash so Parent("k:\foo") is "k:\" not "k:" */
+        else
+            *tp = 0;
     }
     else {
 	fs_ExtractDriveLetter(apath, tspace);