diff --git a/src/system/kernel/arch/arm/Jamfile b/src/system/kernel/arch/arm/Jamfile
index c85efd0f68..9d71d35567 100644
--- a/src/system/kernel/arch/arm/Jamfile
+++ b/src/system/kernel/arch/arm/Jamfile
@@ -20,9 +20,9 @@ KernelMergeObject kernel_arch_arm.o :
 	arch_int.cpp
 	arch_platform.cpp
 	arch_real_time_clock.cpp
-	arch_smp.c
+	arch_smp.cpp
 	arch_system_info.cpp
-	arch_thread.c
+	arch_thread.cpp
 	arch_timer.cpp
 	arch_user_debugger.cpp
 	arch_vm.cpp
diff --git a/src/system/kernel/arch/arm/arch_smp.c b/src/system/kernel/arch/arm/arch_smp.cpp
similarity index 100%
rename from src/system/kernel/arch/arm/arch_smp.c
rename to src/system/kernel/arch/arm/arch_smp.cpp
diff --git a/src/system/kernel/arch/arm/arch_thread.c b/src/system/kernel/arch/arm/arch_thread.cpp
similarity index 100%
rename from src/system/kernel/arch/arm/arch_thread.c
rename to src/system/kernel/arch/arm/arch_thread.cpp