diff --git a/ext/gmp/config.w32 b/ext/gmp/config.w32
index 2aff16b77bb..b413e3319f5 100644
--- a/ext/gmp/config.w32
+++ b/ext/gmp/config.w32
@@ -4,7 +4,7 @@
 ARG_WITH("gmp", "Include GNU MP support.", "no");
 
 if (PHP_GMP != "no") {
-	if (CHECK_LIB("libgmp_a.lib", "gmp", PHP_GMP) &&
+	if (CHECK_LIB("mpir_a.lib;libgmp.lib", "gmp", PHP_GMP) &&
 		CHECK_HEADER_ADD_INCLUDE("gmp.h", "CFLAGS_GMP", PHP_GMP)) {
 		EXTENSION("gmp", "gmp.c");
 		AC_DEFINE('HAVE_GMP', 1, 'GMP support');