diff --git a/src/mesa/main/glformats.c b/src/mesa/main/glformats.c
index 174f17d882d..79d7e881b31 100644
--- a/src/mesa/main/glformats.c
+++ b/src/mesa/main/glformats.c
@@ -2411,7 +2411,7 @@ _mesa_base_tex_format(const struct gl_context *ctx, GLint internalFormat)
       }
    }
 
-   if (ctx->Extensions.EXT_texture_snorm) {
+   if (_mesa_has_EXT_texture_snorm(ctx) || _mesa_is_gles3(ctx)) {
       switch (internalFormat) {
       case GL_RED_SNORM:
       case GL_R8_SNORM: