diff --git a/src/system/kernel/arch/ppc/Jamfile b/src/system/kernel/arch/ppc/Jamfile
index a74c478cd7..c8fe948471 100644
--- a/src/system/kernel/arch/ppc/Jamfile
+++ b/src/system/kernel/arch/ppc/Jamfile
@@ -18,10 +18,10 @@ KernelMergeObject kernel_arch_ppc.o :
 	arch_mmu.cpp
 	arch_platform.cpp
 	arch_real_time_clock.cpp
-	arch_smp.c
-	arch_system_info.c
-	arch_thread.c
-	arch_timer.c
+	arch_smp.cpp
+	arch_system_info.cpp
+	arch_thread.cpp
+	arch_timer.cpp
 	arch_user_debugger.cpp
 	arch_vm.cpp
 	arch_vm_translation_map.cpp
diff --git a/src/system/kernel/arch/ppc/arch_smp.c b/src/system/kernel/arch/ppc/arch_smp.cpp
similarity index 100%
rename from src/system/kernel/arch/ppc/arch_smp.c
rename to src/system/kernel/arch/ppc/arch_smp.cpp
diff --git a/src/system/kernel/arch/ppc/arch_system_info.c b/src/system/kernel/arch/ppc/arch_system_info.cpp
similarity index 100%
rename from src/system/kernel/arch/ppc/arch_system_info.c
rename to src/system/kernel/arch/ppc/arch_system_info.cpp
diff --git a/src/system/kernel/arch/ppc/arch_thread.c b/src/system/kernel/arch/ppc/arch_thread.cpp
similarity index 100%
rename from src/system/kernel/arch/ppc/arch_thread.c
rename to src/system/kernel/arch/ppc/arch_thread.cpp
diff --git a/src/system/kernel/arch/ppc/arch_timer.c b/src/system/kernel/arch/ppc/arch_timer.cpp
similarity index 100%
rename from src/system/kernel/arch/ppc/arch_timer.c
rename to src/system/kernel/arch/ppc/arch_timer.cpp