diff --git a/crypto/block/create-state.cpp b/crypto/block/create-state.cpp
index 7a734c3a..dc975315 100644
--- a/crypto/block/create-state.cpp
+++ b/crypto/block/create-state.cpp
@@ -810,14 +810,22 @@ void usage(const char* progname) {
   std::exit(2);
 }
 
+constexpr char include_path_separator =
+#if _WIN32
+    ';'
+#else
+    ':'
+#endif  //
+    ;
+
 void parse_include_path_set(std::string include_path_set, std::vector<std::string>& res) {
   td::Parser parser(include_path_set);
   while (!parser.empty()) {
-    auto path = parser.read_till_nofail(':');
+    auto path = parser.read_till_nofail(include_path_separator);
     if (!path.empty()) {
       res.push_back(path.str());
     }
-    parser.skip_nofail(':');
+    parser.skip_nofail(include_path_separator);
   }
 }
 
diff --git a/crypto/fift/fift-main.cpp b/crypto/fift/fift-main.cpp
index ef833f43..79719cdf 100644
--- a/crypto/fift/fift-main.cpp
+++ b/crypto/fift/fift-main.cpp
@@ -72,14 +72,22 @@ void usage(const char* progname) {
   std::exit(2);
 }
 
+constexpr char include_path_separator =
+#if _WIN32
+    ';'
+#else
+    ':'
+#endif  //
+    ;
+
 void parse_include_path_set(std::string include_path_set, std::vector<std::string>& res) {
   td::Parser parser(include_path_set);
   while (!parser.empty()) {
-    auto path = parser.read_till_nofail(':');
+    auto path = parser.read_till_nofail(include_path_separator);
     if (!path.empty()) {
       res.push_back(path.str());
     }
-    parser.skip_nofail(':');
+    parser.skip_nofail(include_path_separator);
   }
 }