diff --git a/gfx/context/glx_ctx.c b/gfx/context/glx_ctx.c
index 82131c43b7..c2aaeb1071 100644
--- a/gfx/context/glx_ctx.c
+++ b/gfx/context/glx_ctx.c
@@ -65,7 +65,7 @@ static volatile sig_atomic_t g_quit;
 static unsigned g_major;
 static unsigned g_minor;
 
-static PFNGLXCREATECONTEXTATTRIBSARB glx_create_context_attribs;
+static PFNGLXCREATECONTEXTATTRIBSARBPROC glx_create_context_attribs;
 
 static void sighandler(int sig)
 {
@@ -346,7 +346,7 @@ static bool gfx_ctx_glx_init(void *data)
    if ((major * 1000 + minor) < 1003)
       goto error;
 
-   glx_create_context_attribs = (PFNGLXCREATECONTEXTATTRIBSARB)glXGetProcAddress((const GLubyte*)"glXCreateContextAttribsARB");
+   glx_create_context_attribs = (PFNGLXCREATECONTEXTATTRIBSARBPROC)glXGetProcAddress((const GLubyte*)"glXCreateContextAttribsARB");
 
 #ifdef GL_DEBUG
    glx->g_debug = true;