diff --git a/include/lib/cpus/aarch64/cortex_a53.h b/include/lib/cpus/aarch64/cortex_a53.h
index ea7181e..6fe67a9 100644
--- a/include/lib/cpus/aarch64/cortex_a53.h
+++ b/include/lib/cpus/aarch64/cortex_a53.h
@@ -76,8 +76,8 @@
 /*******************************************************************************
  * Helper function to access a53_cpuectlr_el1 register on Cortex-A53 CPUs
  ******************************************************************************/
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
 DEFINE_RENAME_SYSREG_RW_FUNCS(a53_cpuectlr_el1, CORTEX_A53_ECTLR_EL1)
-#endif
+#endif /* __ASSEMBLER__ */
 
 #endif /* CORTEX_A53_H */
diff --git a/include/lib/cpus/aarch64/cortex_a73.h b/include/lib/cpus/aarch64/cortex_a73.h
index fb4f1ec..271a333 100644
--- a/include/lib/cpus/aarch64/cortex_a73.h
+++ b/include/lib/cpus/aarch64/cortex_a73.h
@@ -38,8 +38,8 @@
 /*******************************************************************************
  * Helper function to access a73_cpuectlr_el1 register on Cortex-A73 CPUs
  ******************************************************************************/
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
 DEFINE_RENAME_SYSREG_RW_FUNCS(a73_cpuectlr_el1, CORTEX_A73_CPUECTLR_EL1)
-#endif
+#endif /* __ASSEMBLER__ */
 
 #endif /* CORTEX_A73_H */