diff --git a/libs/libc/include/unistd.h b/libs/libc/include/unistd.h
index b9f98ef7..b903f850 100644
--- a/libs/libc/include/unistd.h
+++ b/libs/libc/include/unistd.h
@@ -103,6 +103,9 @@ extern "C"
     int chdir(const char* path);  // Not implemented.
     int pipe(int fd[2]);          // Not implemented.
 
+    /* Returns the maximum number of file descriptors a process can have open at the same time. */
+    int getdtablesize(void);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/libs/libc/src/unistd.cpp b/libs/libc/src/unistd.cpp
index 2fdb32cf..bd042c6a 100644
--- a/libs/libc/src/unistd.cpp
+++ b/libs/libc/src/unistd.cpp
@@ -163,4 +163,9 @@ extern "C"
     {
         NOT_IMPLEMENTED("pipe");
     }
+
+    int getdtablesize(void)
+    {
+        return OPEN_MAX;
+    }
 }
\ No newline at end of file