1 files changed, 1 insertions, 1 deletions
diff --git a/file.c b/file.c
index 4279ed6040..8e8dae3a97 100644
--- a/file.c
+++ b/file.c
@@ -3043,7 +3043,7 @@ rb_file_s_extname(klass, fname)
 		p = last;
 		break;
 	    }
-	    e = dot;
+	    if (*last == '.') e = dot;
 	    continue;
 #else
 	    e = p;	  /* get the last dot of the last component */