diff --git a/compat/msvc.h b/compat/msvc.h
index aa4b56315..96b6d605d 100644
--- a/compat/msvc.h
+++ b/compat/msvc.h
@@ -12,6 +12,8 @@
 #define __attribute__(x)
 #define strncasecmp  _strnicmp
 #define ftruncate    _chsize
+#define strtoull     _strtoui64
+#define strtoll      _strtoi64
 
 static __inline int strcasecmp (const char *s1, const char *s2)
 {
diff --git a/config.mak.uname b/config.mak.uname
index 911c13ec7..43c79e5bc 100644
--- a/config.mak.uname
+++ b/config.mak.uname
@@ -327,7 +327,6 @@ ifeq ($(uname_S),Windows)
 	# NEEDS_LIBICONV = YesPlease
 	NO_ICONV = YesPlease
 	NO_STRTOUMAX = YesPlease
-	NO_STRTOULL = YesPlease
 	NO_MKDTEMP = YesPlease
 	NO_MKSTEMPS = YesPlease
 	SNPRINTF_RETURNS_BOGUS = YesPlease
diff --git a/test-svn-fe.c b/test-svn-fe.c
index 0f2d9a4a3..120ec96b0 100644
--- a/test-svn-fe.c
+++ b/test-svn-fe.c
@@ -24,7 +24,7 @@ static int apply_delta(int argc, char *argv[])
 		die_errno("cannot open preimage");
 	if (buffer_init(&delta, argv[3]))
 		die_errno("cannot open delta");
-	if (svndiff0_apply(&delta, (off_t) strtoull(argv[4], NULL, 0),
+	if (svndiff0_apply(&delta, (off_t) strtoumax(argv[4], NULL, 0),
 					&preimage_view, stdout))
 		return 1;
 	if (buffer_deinit(&preimage))