diff --git a/kernel/include/std/errno.h b/kernel/include/std/errno.h
index 973b6fab..be1713a3 100644
--- a/kernel/include/std/errno.h
+++ b/kernel/include/std/errno.h
@@ -7,6 +7,7 @@
 #define E2BIG 7
 #define ENOEXEC 8
 #define EBADF 9
+#define ECHILD 10
 #define EAGAIN 11
 #define ENOMEM 12
 #define EACCES 13
diff --git a/libs/libc/include/errno.h b/libs/libc/include/errno.h
index 3d3029c5..242141b6 100644
--- a/libs/libc/include/errno.h
+++ b/libs/libc/include/errno.h
@@ -12,6 +12,7 @@ extern int errno;
 #define E2BIG 7       // Argument list too long
 #define ENOEXEC 8     // Exec format error
 #define EBADF 9       // Bad file descriptor
+#define ECHILD 10     // No child processes
 #define EAGAIN 11     // Resource temporarily unavailable
 #define ENOMEM 12     // Cannot allocate memory
 #define EACCES 13     // Permission denied
diff --git a/libs/libc/src/string.cpp b/libs/libc/src/string.cpp
index 0695dbc6..092123c2 100644
--- a/libs/libc/src/string.cpp
+++ b/libs/libc/src/string.cpp
@@ -265,6 +265,7 @@ extern "C"
         case E2BIG: return "Argument list too long";
         case ENOEXEC: return "Exec format error";
         case EBADF: return "Bad file descriptor";
+        case ECHILD: return "No child processes";
         case EAGAIN: return "Resource temporarily unavailable";
         case ENOMEM: return "Cannot allocate memory";
         case EACCES: return "Permission denied";