diff --git a/CMakeLists.txt b/CMakeLists.txt
index ac0967e2..2ccd4391 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -98,9 +98,7 @@ else()
     detect_architecture("__aarch64__" Aarch64)
 endif()
 if (NOT DEFINED ARCHITECTURE)
-    set(ARCHITECTURE "GENERIC")
-    set(ARCHITECTURE_GENERIC 1)
-    add_definitions(-DARCHITECTURE_GENERIC=1)
+    message(FATAL_ERROR "Unsupported architecture encountered. Ending CMake generation.")
 endif()
 message(STATUS "Target architecture: ${ARCHITECTURE}")