diff --git a/progs/tests/vao-01.c b/progs/tests/vao-01.c
index c1849a09653..c2d70885f05 100644
--- a/progs/tests/vao-01.c
+++ b/progs/tests/vao-01.c
@@ -45,7 +45,7 @@
 
 typedef void (* PFNGLBINDVERTEXARRAYAPPLEPROC) (GLuint array);
 typedef void (* PFNGLDELETEVERTEXARRAYSAPPLEPROC) (GLsizei n, const GLuint *arrays);
-typedef void (* PFNGLGENVERTEXARRAYSAPPLEPROC) (GLsizei n, const GLuint *arrays);
+typedef void (* PFNGLGENVERTEXARRAYSAPPLEPROC) (GLsizei n, GLuint *arrays);
 typedef GLboolean (* PFNGLISVERTEXARRAYAPPLEPROC) (GLuint array);
 
 #else
diff --git a/progs/tests/vao-02.c b/progs/tests/vao-02.c
index 87d45313a61..993bc368d40 100644
--- a/progs/tests/vao-02.c
+++ b/progs/tests/vao-02.c
@@ -45,7 +45,7 @@
 
 typedef void (* PFNGLBINDVERTEXARRAYAPPLEPROC) (GLuint array);
 typedef void (* PFNGLDELETEVERTEXARRAYSAPPLEPROC) (GLsizei n, const GLuint *arrays);
-typedef void (* PFNGLGENVERTEXARRAYSAPPLEPROC) (GLsizei n, const GLuint *arrays);
+typedef void (* PFNGLGENVERTEXARRAYSAPPLEPROC) (GLsizei n, GLuint *arrays);
 typedef GLboolean (* PFNGLISVERTEXARRAYAPPLEPROC) (GLuint array);
 
 #else