diff --git a/src/glsl/main.cpp b/src/glsl/main.cpp
index ccac8399646..4b39c9e54c2 100644
--- a/src/glsl/main.cpp
+++ b/src/glsl/main.cpp
@@ -282,7 +282,7 @@ usage_fail(const char *name)
       "usage: %s [options] <file.vert | file.geom | file.frag>\n"
       "\n"
       "Possible options are:\n";
-   printf(header, name, name);
+   printf(header, name);
    for (const struct option *o = compiler_opts; o->name != 0; ++o) {
       printf("    --%s\n", o->name);
    }