diff --git a/base_c/include/embb/base/c/internal/atomic/atomic_variables.h b/base_c/include/embb/base/c/internal/atomic/atomic_variables.h
index 1b06df9..549ff0d 100644
--- a/base_c/include/embb/base/c/internal/atomic/atomic_variables.h
+++ b/base_c/include/embb/base/c/internal/atomic/atomic_variables.h
@@ -39,7 +39,7 @@
   EMBB_ATOMIC_PARAMETER_ATOMIC_TYPE_SUFFIX) \
   typedef struct \
 { \
-  EMBB_ATOMIC_PARAMETER_TYPE_NATIVE internal_variable; \
+  volatile EMBB_ATOMIC_PARAMETER_TYPE_NATIVE internal_variable; \
 } EMBB_CAT2(embb_atomic_, EMBB_ATOMIC_PARAMETER_ATOMIC_TYPE_SUFFIX);
 
 EMBB_ATOMIC_INTERNAL_DEFINE_VARIABLE(char, char)