diff --git a/api/Makefile b/api/Makefile
index 0f85a0b..3c095ee 100644
--- a/api/Makefile
+++ b/api/Makefile
@@ -6,4 +6,4 @@
 
 obj-y += api.o api_display.o api_net.o api_storage.o
 obj-$(CONFIG_ARM) += api_platform-arm.o
-obj-$(CONFIG_PPC) += api_platform-powerpc.c
+obj-$(CONFIG_PPC) += api_platform-powerpc.o