diff --git a/include/lib/cpus/aarch64/cortex_a75.h b/include/lib/cpus/aarch64/cortex_a75.h
index 204bfdd..e5ca1ba 100644
--- a/include/lib/cpus/aarch64/cortex_a75.h
+++ b/include/lib/cpus/aarch64/cortex_a75.h
@@ -41,7 +41,7 @@
 #define CORTEX_A75_AMU_GROUP0_MASK	U(0x7)
 #define CORTEX_A75_AMU_GROUP1_MASK	(U(0) << 3)
 
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
 #include <stdint.h>
 
 uint64_t cortex_a75_amu_cnt_read(int idx);
@@ -50,6 +50,6 @@
 unsigned int cortex_a75_amu_read_cpuamcntenclr_el0(void);
 void cortex_a75_amu_write_cpuamcntenset_el0(unsigned int mask);
 void cortex_a75_amu_write_cpuamcntenclr_el0(unsigned int mask);
-#endif /* __ASSEMBLY__ */
+#endif /* __ASSEMBLER__ */
 
 #endif /* CORTEX_A75_H */
diff --git a/include/lib/cpus/aarch64/cpuamu.h b/include/lib/cpus/aarch64/cpuamu.h
index 921abdb..463f890 100644
--- a/include/lib/cpus/aarch64/cpuamu.h
+++ b/include/lib/cpus/aarch64/cpuamu.h
@@ -29,7 +29,7 @@
 #define CPUAMEVTYPER3_EL0	S3_3_C15_C10_3
 #define CPUAMEVTYPER4_EL0	S3_3_C15_C10_4
 
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
 #include <stdint.h>
 
 uint64_t cpuamu_cnt_read(unsigned int idx);
@@ -43,6 +43,6 @@
 void cpuamu_context_save(unsigned int nr_counters);
 void cpuamu_context_restore(unsigned int nr_counters);
 
-#endif /* __ASSEMBLY__ */
+#endif /* __ASSEMBLER__ */
 
 #endif /* CPUAMU_H */
diff --git a/include/lib/cpus/aarch64/denver.h b/include/lib/cpus/aarch64/denver.h
index 81c076a..02657a0 100644
--- a/include/lib/cpus/aarch64/denver.h
+++ b/include/lib/cpus/aarch64/denver.h
@@ -34,11 +34,11 @@
 #define DENVER_CPU_PMSTATE_C7		U(0x7)
 #define DENVER_CPU_PMSTATE_MASK		U(0xF)
 
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
 
 /* Disable Dynamic Code Optimisation */
 void denver_disable_dco(void);
 
-#endif /* __ASSEMBLY__ */
+#endif /* __ASSEMBLER__ */
 
 #endif /* DENVER_H */