diff --git a/src/compiler/nir_types.cpp b/src/compiler/nir_types.cpp
index 4693ddd4905..1f86a386933 100644
--- a/src/compiler/nir_types.cpp
+++ b/src/compiler/nir_types.cpp
@@ -319,7 +319,7 @@ glsl_type_is_matrix(const struct glsl_type *type)
 bool
 glsl_matrix_type_is_row_major(const struct glsl_type *type)
 {
-   assert(type->is_matrix() && type->explicit_stride);
+   assert((type->is_matrix() && type->explicit_stride) || type->is_interface());
    return type->interface_row_major;
 }