diff --git a/src/mapi/glapi/gen/gl_API.xml b/src/mapi/glapi/gen/gl_API.xml
index af051355642..2140a40833c 100644
--- a/src/mapi/glapi/gen/gl_API.xml
+++ b/src/mapi/glapi/gen/gl_API.xml
@@ -5363,7 +5363,7 @@
     <function name="ShaderSource" alias="ShaderSourceARB">
         <param name="shader" type="GLuint"/>
         <param name="count" type="GLsizei"/>
-        <param name="string" type="const GLchar **"/>
+        <param name="string" type="const GLchar * const *"/>
         <param name="length" type="const GLint *"/>
         <glx ignore="true"/>
     </function>
diff --git a/src/mesa/main/APIspec.xml b/src/mesa/main/APIspec.xml
index 64e666effd6..f870cf7db64 100644
--- a/src/mesa/main/APIspec.xml
+++ b/src/mesa/main/APIspec.xml
@@ -2946,7 +2946,7 @@
 		<return type="void"/>
 		<param name="shader" type="GLuint"/>
 		<param name="count" type="GLsizei"/>
-		<param name="string" type="const GLchar **"/>
+		<param name="string" type="const GLchar * const *"/>
 		<param name="length" type="const int *"/>
 	</proto>
 </template>