diff --git a/source/tlang/compiler/lexer.d b/source/tlang/compiler/lexer.d
index 3febed3..e6f256f 100644
--- a/source/tlang/compiler/lexer.d
+++ b/source/tlang/compiler/lexer.d
@@ -325,7 +325,8 @@ public final class Lexer
                 character == '%' || character == '*' || character == '&' ||
                 character == '{' || character == '}' || character == '=' ||
                 character == '|' || character == '^' || character == '!' ||
-                character == '\n' || character == '~' || character =='.';
+                character == '\n' || character == '~' || character =='.' ||
+                character == ':';
     }
 
     /* Supported escapes \" */
diff --git a/source/tlang/testing/basic1.t b/source/tlang/testing/basic1.t
index 23f5584..fd8e999 100644
--- a/source/tlang/testing/basic1.t
+++ b/source/tlang/testing/basic1.t
@@ -187,6 +187,8 @@ class testClass
 
     }
 
+    class oops : myModule.testClass {}
+
     class test3 : test2
     {
         class llllll : testClass.test2