diff --git a/src/core/libraries/kernel/libkernel.cpp b/src/core/libraries/kernel/libkernel.cpp
index 6edb5449b..e7e7d11d7 100644
--- a/src/core/libraries/kernel/libkernel.cpp
+++ b/src/core/libraries/kernel/libkernel.cpp
@@ -297,12 +297,18 @@ int PS4_SYSV_ABI posix_connect() {
     return -1;
 }
 
+int PS4_SYSV_ABI _sigprocmask() {
+    LOG_DEBUG(Lib_Kernel, "STUBBED");
+    return ORBIS_OK;
+}
+
 void LibKernel_Register(Core::Loader::SymbolsResolver* sym) {
     // obj
     LIB_OBJ("f7uOxY9mM1U", "libkernel", 1, "libkernel", 1, 1, &g_stack_chk_guard);
     // misc
     LIB_FUNCTION("JGfTMBOdUJo", "libkernel", 1, "libkernel", 1, 1, sceKernelGetFsSandboxRandomWord);
     LIB_FUNCTION("XVL8So3QJUk", "libkernel", 1, "libkernel", 1, 1, posix_connect);
+    LIB_FUNCTION("6xVpy0Fdq+I", "libkernel", 1, "libkernel", 1, 1, _sigprocmask);
     // memory
     LIB_FUNCTION("OMDRKKAZ8I4", "libkernel", 1, "libkernel", 1, 1, sceKernelDebugRaiseException);
     LIB_FUNCTION("rTXw65xmLIA", "libkernel", 1, "libkernel", 1, 1, sceKernelAllocateDirectMemory);