diff --git a/services/std_svc/spm_mm/spm_private.h b/services/std_svc/spm_mm/spm_private.h
index 8e94a28..ba94a4d 100644
--- a/services/std_svc/spm_mm/spm_private.h
+++ b/services/std_svc/spm_mm/spm_private.h
@@ -29,7 +29,7 @@
 #define SP_C_RT_CTX_SIZE	0x60
 #define SP_C_RT_CTX_ENTRIES	(SP_C_RT_CTX_SIZE >> DWORD_SHIFT)
 
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
 
 #include <stdint.h>
 
@@ -66,6 +66,6 @@
 					  u_register_t pages_count,
 					  u_register_t smc_attributes);
 
-#endif /* __ASSEMBLY__ */
+#endif /* __ASSEMBLER__ */
 
 #endif /* SPM_PRIVATE_H */