diff --git a/libwvdrmengine/level3/include/clear_cache_function.h b/libwvdrmengine/level3/include/clear_cache_function.h
index 70d38684..2138f2d2 100644
--- a/libwvdrmengine/level3/include/clear_cache_function.h
+++ b/libwvdrmengine/level3/include/clear_cache_function.h
@@ -42,7 +42,7 @@ bool supports_membarier_syscall() {
 // Reference:
 // * membarrier(2)
 // * art::jit::JitMemoryRegion::CommitCode
-int membarrier_function(int command) {
+long membarrier_function(int command) {
   static bool supports_membarier = supports_membarier_syscall();
   if (supports_membarier) {
     return syscall(__NR_membarrier, command, 0);
@@ -55,7 +55,7 @@ int membarrier_function(int command) {
 #  pragma message \
       "(info): __NR_membarrier unavailable; membarrier_function will be no-op."
 
-int membarrier_function(int) {
+long membarrier_function(int) {
   errno = ENOSYS;
   return -1;
 }