diff --git a/libs/vkd3d-shader/glsl.c b/libs/vkd3d-shader/glsl.c
index 0a91024a8..214632c00 100644
--- a/libs/vkd3d-shader/glsl.c
+++ b/libs/vkd3d-shader/glsl.c
@@ -561,10 +561,12 @@ static void VKD3D_PRINTF_FUNC(4, 5) shader_glsl_print_assignment_ext(struct vkd3
 
 static void shader_glsl_unhandled(struct vkd3d_glsl_generator *gen, const struct vkd3d_shader_instruction *ins)
 {
+    const char *name = vsir_opcode_get_name(ins->opcode, "<unknown>");
+
     shader_glsl_print_indent(gen->buffer, gen->indent);
-    vkd3d_string_buffer_printf(gen->buffer, "/* <unhandled instruction %#x> */\n", ins->opcode);
+    vkd3d_string_buffer_printf(gen->buffer, "/* <unhandled instruction \"%s\" (%#x)> */\n", name, ins->opcode);
     vkd3d_glsl_compiler_error(gen, VKD3D_SHADER_ERROR_GLSL_INTERNAL,
-            "Internal compiler error: Unhandled instruction %#x.", ins->opcode);
+            "Internal compiler error: Unhandled instruction \"%s\" (%#x).", name, ins->opcode);
 }
 
 static void shader_glsl_binop(struct vkd3d_glsl_generator *gen,