--- src/dispatch_common.c	2021-10-20 10:51:59.808554323 +0100
+++ src/dispatch_common.c	2021-10-20 10:52:41.319645618 +0100
@@ -687,7 +687,11 @@
 #endif
 
     if (!api.gl_handle) {
+#if defined(OPENGL_LIB)
         fprintf(stderr, "Couldn't open %s or %s\n", GLX_LIB, OPENGL_LIB);
+#else
+        fprintf(stderr, "Couldn't open %s\n", GLX_LIB);
+#endif
         abort();
     }