diff --git a/ext/standard/php_rand.h b/ext/standard/php_rand.h
index e8018722772f7..b9ccb06ad4d09 100644
--- a/ext/standard/php_rand.h
+++ b/ext/standard/php_rand.h
@@ -61,9 +61,9 @@
 	(__n) = (__min) + (zend_long) ((double) ( (double) (__max) - (__min) + 1.0) * ((__n) / ((__tmax) + 1.0)))
 
 #ifdef PHP_WIN32
-#define GENERATE_SEED() (((zend_long) (time(0) * GetCurrentProcessId())) ^ ((zend_long) (1000000.0 * php_combined_lcg())))
+#define GENERATE_SEED() (((zend_long) ((zend_ulong) time(0) * (zend_ulong) GetCurrentProcessId())) ^ ((zend_long) (1000000.0 * php_combined_lcg())))
 #else
-#define GENERATE_SEED() (((zend_long) (time(0) * getpid())) ^ ((zend_long) (1000000.0 * php_combined_lcg())))
+#define GENERATE_SEED() (((zend_long) ((zend_ulong) time(0) * (zend_ulong) getpid())) ^ ((zend_long) (1000000.0 * php_combined_lcg())))
 #endif
 
 PHPAPI void php_srand(zend_long seed);