1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index 25333d8994..2b26f651a5 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -291,7 +291,8 @@ _mesa_ActiveTextureARB(GLenum texture)
                   _mesa_lookup_enum_by_nr(texture));
 
    if (texUnit >= ctx->Const.MaxTextureImageUnits) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glActiveTexture(texture)");
+      _mesa_error(ctx, GL_INVALID_ENUM, "glActiveTexture(texture=%s)",
+                  _mesa_lookup_enum_by_nr(texture));
       return;
    }