diff --git a/cmake/compiler/arcmwdt/compiler_flags.cmake b/cmake/compiler/arcmwdt/compiler_flags.cmake
index 99e43c9f4da..ed2e6179618 100644
--- a/cmake/compiler/arcmwdt/compiler_flags.cmake
+++ b/cmake/compiler/arcmwdt/compiler_flags.cmake
@@ -132,6 +132,9 @@ set_property(TARGET compiler-cpp PROPERTY dialect_cpp2a "")
 set_property(TARGET compiler-cpp PROPERTY dialect_cpp20 "")
 set_property(TARGET compiler-cpp PROPERTY dialect_cpp2b "")
 
+# Flag for disabling strict aliasing rule in C and C++
+set_compiler_property(PROPERTY no_strict_aliasing -fno-strict-aliasing)
+
 # Disable exceptions flag in C++
 set_property(TARGET compiler-cpp PROPERTY no_exceptions "-fno-exceptions")