diff --git a/rpcs3/Emu/Cell/Modules/cellSysutil.cpp b/rpcs3/Emu/Cell/Modules/cellSysutil.cpp
index 6e846cedea..cf52bd0556 100644
--- a/rpcs3/Emu/Cell/Modules/cellSysutil.cpp
+++ b/rpcs3/Emu/Cell/Modules/cellSysutil.cpp
@@ -203,6 +203,11 @@ error_code cellSysutilGetSystemParamInt(CellSysutilParamId id, vm::ptr<s32> valu
 {
 	cellSysutil.warning("cellSysutilGetSystemParamInt(id=0x%x(%s), value=*0x%x)", id, id, value);
 
+	if (!value)
+	{
+		return CELL_SYSUTIL_ERROR_VALUE;
+	}
+
 	// TODO: load this information from config (preferably "sys/" group)
 
 	switch (id)
@@ -272,7 +277,7 @@ error_code cellSysutilGetSystemParamInt(CellSysutilParamId id, vm::ptr<s32> valu
 	break;
 
 	default:
-		return CELL_EINVAL;
+		return CELL_SYSUTIL_ERROR_VALUE;
 	}
 
 	return CELL_OK;
@@ -282,6 +287,11 @@ error_code cellSysutilGetSystemParamString(CellSysutilParamId id, vm::ptr<char>
 {
 	cellSysutil.trace("cellSysutilGetSystemParamString(id=0x%x(%s), buf=*0x%x, bufsize=%d)", id, id, buf, bufsize);
 
+	if (!buf)
+	{
+		return CELL_SYSUTIL_ERROR_VALUE;
+	}
+
 	memset(buf.get_ptr(), 0, bufsize);
 
 	switch (id)
@@ -295,7 +305,7 @@ error_code cellSysutilGetSystemParamString(CellSysutilParamId id, vm::ptr<char>
 	break;
 
 	default:
-		return CELL_EINVAL;
+		return CELL_SYSUTIL_ERROR_VALUE;
 	}
 
 	return CELL_OK;