diff --git a/src/cpu_work.cpp b/src/cpu_work.cpp
index 70a8cc2..13927fb 100644
--- a/src/cpu_work.cpp
+++ b/src/cpu_work.cpp
@@ -55,7 +55,7 @@ asm(".text\n"
     "    b.ne .L_loop\n"    // Branch back if not zero
     ".L_end:\n"             // End
     "    ret\n"             // Return
-    ".size spend_cpu_cycles, spend_cpu_cycles\n");
+    ".size spend_cpu_cycles, .-spend_cpu_cycles\n");
 #endif
 
 #endif