diff --git a/Makefile b/Makefile
index fd4aa8a..60bfec3 100644
--- a/Makefile
+++ b/Makefile
@@ -1056,6 +1056,7 @@
     src/core/support/alloc.c \
     src/core/support/cancellable.c \
     src/core/support/cmdline.c \
+    src/core/support/cpu_linux.c \
     src/core/support/cpu_posix.c \
     src/core/support/histogram.c \
     src/core/support/host_port.c \