diff --git a/src/shader_recompiler/frontend/format.cpp b/src/shader_recompiler/frontend/format.cpp
index e3430a76..90f10498 100644
--- a/src/shader_recompiler/frontend/format.cpp
+++ b/src/shader_recompiler/frontend/format.cpp
@@ -3719,9 +3719,8 @@ InstFormat InstructionFormat(InstEncoding encoding, uint32_t opcode) {
     case InstEncoding::VOP2:
         return InstructionFormatVOP2[opcode];
     default:
-        return {};
+        UNREACHABLE();
     }
-    UNREACHABLE();
     return {};
 }