diff --git a/include/client/hooks.hpp b/include/client/hooks.hpp
index 6871d8b798f9c7a4e47e7bcc1988c0478552c608..805d21f9e38440047a77933fc5ae436f0fe15a50 100644
--- a/include/client/hooks.hpp
+++ b/include/client/hooks.hpp
@@ -196,6 +196,12 @@ hook_fsync(unsigned int fd);
 int
 hook_getxattr(const char* path, const char* name, void* value, size_t size);
 
+int
+hook_fallocate(int fd, int mode, off_t offset, off_t len);
+
+int
+hook_fadvise64(int fd, off_t offset, off_t len, int advice);
+
 } // namespace gkfs::hook
 
 #endif
diff --git a/src/client/hooks.cpp b/src/client/hooks.cpp
index 49a166ce1988ff3f605b75b8da10c124290c116b..9451ca4181d16f1dd7d4b6b526b04abb619533e7 100644
--- a/src/client/hooks.cpp
+++ b/src/client/hooks.cpp
@@ -954,4 +954,28 @@ hook_getxattr(const char* path, const char* name, void* value, size_t size) {
     return syscall_no_intercept_wrapper(SYS_getxattr, path, name, value, size);
 }
 
+
+int
+hook_fallocate(int fd, int mode, off_t offset, off_t len) {
+    LOG(DEBUG, "{}() called with fd '{}' mode '{}' offset '{}' len '{}'",
+        __func__, fd, mode, offset, len);
+
+    if(CTX->file_map()->exist(fd)) {
+        return -ENOTSUP;
+    }
+    return syscall_no_intercept_wrapper(SYS_fallocate, fd, mode, offset, len);
+}
+
+int
+hook_fadvise64(int fd, off_t offset, off_t len, int advice) {
+    LOG(DEBUG, "{}() called with fd '{}' offset '{}' len '{}' advice '{}'",
+        __func__, fd, offset, len, advice);
+
+    if(CTX->file_map()->exist(fd)) {
+        return -ENOTSUP;
+    }
+    return syscall_no_intercept_wrapper(SYS_fadvise64, fd, offset, len, advice);
+}
+
+
 } // namespace gkfs::hook
diff --git a/src/client/intercept.cpp b/src/client/intercept.cpp
index fce6e79c6dc26093d1a0906d6adebcdb11a3b44c..678d8928244bdb7286193df7f47db11f88611948 100644
--- a/src/client/intercept.cpp
+++ b/src/client/intercept.cpp
@@ -758,6 +758,18 @@ hook(long syscall_number, long arg0, long arg1, long arg2, long arg3, long arg4,
                     reinterpret_cast<void*>(arg2), static_cast<size_t>(arg4));
             break;
 
+        case SYS_fallocate:
+            *result = gkfs::hook::hook_fallocate(
+                    static_cast<int>(arg0), static_cast<int>(arg1),
+                    static_cast<off_t>(arg2), static_cast<off_t>(arg3));
+            break;
+
+        case SYS_fadvise64:
+            *result = gkfs::hook::hook_fadvise64(
+                    static_cast<int>(arg0), static_cast<off_t>(arg1),
+                    static_cast<off_t>(arg2), static_cast<int>(arg4));
+            break;
+
         default:
             // ignore any other syscalls, i.e.: pass them on to the kernel
             // (syscalls forwarded to the kernel that return are logged in