diff --git a/lexers/embedded/hlsl.xml b/lexers/embedded/hlsl.xml
index 774f53cf2..41ab32395 100644
--- a/lexers/embedded/hlsl.xml
+++ b/lexers/embedded/hlsl.xml
@@ -4,6 +4,9 @@
     <alias>hlsl</alias>
     <filename>*.hlsl</filename>
     <filename>*.hlsli</filename>
+    <filename>*.cginc</filename>
+    <filename>*.fx</filename>
+    <filename>*.fxh</filename>
     <mime_type>text/x-hlsl</mime_type>
   </config>
   <rules>
@@ -104,4 +107,4 @@
       </rule>
     </state>
   </rules>
-</lexer>
\ No newline at end of file
+</lexer>