diff --git a/build/Makefile b/build/Makefile
index c2f3f4e4..e6da9481 100644
--- a/build/Makefile
+++ b/build/Makefile
@@ -26,7 +26,8 @@ VERSION = $(shell perl -lne \
             'print $$1 if /define\s+MONGOOSE_VERSION\s+"(\S+)"/' ../mongoose.c)
 
 # The order in which files are listed is important
-SOURCES = src/internal.h src/string.c src/parse_date.c src/mongoose.c
+SOURCES = src/internal.h src/string.c src/parse_date.c src/options.c \
+          src/mongoose.c
 
 TINY_SOURCES = ../mongoose.c main.c
 LUA_SOURCES = $(TINY_SOURCES) sqlite3.c lsqlite3.c lua_5.2.1.c
diff --git a/build/src/mongoose.c b/build/src/mongoose.c
index 2b9be5c6..c68b09dc 100644
--- a/build/src/mongoose.c
+++ b/build/src/mongoose.c
@@ -1,43 +1,10 @@
 #include "internal.h"
 
-static const char *config_options[] = {
-  "cgi_pattern", "**.cgi$|**.pl$|**.php$",
-  "cgi_environment", NULL,
-  "put_delete_auth_file", NULL,
-  "cgi_interpreter", NULL,
-  "protect_uri", NULL,
-  "authentication_domain", "mydomain.com",
-  "ssi_pattern", "**.shtml$|**.shtm$",
-  "throttle", NULL,
-  "access_log_file", NULL,
-  "enable_directory_listing", "yes",
-  "error_log_file", NULL,
-  "global_auth_file", NULL,
-  "index_files",
-    "index.html,index.htm,index.cgi,index.shtml,index.php,index.lp",
-  "enable_keep_alive", "no",
-  "access_control_list", NULL,
-  "extra_mime_types", NULL,
-  "listening_ports", "8080",
-  "document_root",  NULL,
-  "ssl_certificate", NULL,
-  "num_threads", "50",
-  "run_as_user", NULL,
-  "url_rewrite_patterns", NULL,
-  "hide_files_patterns", NULL,
-  "request_timeout_ms", "30000",
-  NULL
-};
-
 // Return number of bytes left to read for this connection
 static int64_t left_to_read(const struct mg_connection *conn) {
   return conn->content_len + conn->request_len - conn->num_bytes_read;
 }
 
-const char **mg_get_valid_option_names(void) {
-  return config_options;
-}
-
 static int call_user(int type, struct mg_connection *conn, void *p) {
   if (conn != NULL && conn->ctx != NULL) {
     conn->event.user_data = conn->ctx->user_data;
@@ -61,28 +28,6 @@ static FILE *mg_fopen(const char *path, const char *mode) {
 #endif
 }
 
-static int get_option_index(const char *name) {
-  int i;
-
-  for (i = 0; config_options[i * 2] != NULL; i++) {
-    if (strcmp(config_options[i * 2], name) == 0) {
-      return i;
-    }
-  }
-  return -1;
-}
-
-const char *mg_get_option(const struct mg_context *ctx, const char *name) {
-  int i;
-  if ((i = get_option_index(name)) == -1) {
-    return NULL;
-  } else if (ctx->config[i] == NULL) {
-    return "";
-  } else {
-    return ctx->config[i];
-  }
-}
-
 static void sockaddr_to_string(char *buf, size_t len,
                                      const union usa *usa) {
   buf[0] = '\0';
diff --git a/build/src/options.c b/build/src/options.c
new file mode 100644
index 00000000..38a9e9ea
--- /dev/null
+++ b/build/src/options.c
@@ -0,0 +1,57 @@
+#include "internal.h"
+
+// This array must be in sync with enum in internal.h
+static const char *config_options[] = {
+  "cgi_pattern", "**.cgi$|**.pl$|**.php$",
+  "cgi_environment", NULL,
+  "put_delete_auth_file", NULL,
+  "cgi_interpreter", NULL,
+  "protect_uri", NULL,
+  "authentication_domain", "mydomain.com",
+  "ssi_pattern", "**.shtml$|**.shtm$",
+  "throttle", NULL,
+  "access_log_file", NULL,
+  "enable_directory_listing", "yes",
+  "error_log_file", NULL,
+  "global_auth_file", NULL,
+  "index_files",
+    "index.html,index.htm,index.cgi,index.shtml,index.php,index.lp",
+  "enable_keep_alive", "no",
+  "access_control_list", NULL,
+  "extra_mime_types", NULL,
+  "listening_ports", "8080",
+  "document_root",  NULL,
+  "ssl_certificate", NULL,
+  "num_threads", "50",
+  "run_as_user", NULL,
+  "url_rewrite_patterns", NULL,
+  "hide_files_patterns", NULL,
+  "request_timeout_ms", "30000",
+  NULL
+};
+
+const char **mg_get_valid_option_names(void) {
+  return config_options;
+}
+
+static int get_option_index(const char *name) {
+  int i;
+
+  for (i = 0; config_options[i * 2] != NULL; i++) {
+    if (strcmp(config_options[i * 2], name) == 0) {
+      return i;
+    }
+  }
+  return -1;
+}
+
+const char *mg_get_option(const struct mg_context *ctx, const char *name) {
+  int i;
+  if ((i = get_option_index(name)) == -1) {
+    return NULL;
+  } else if (ctx->config[i] == NULL) {
+    return "";
+  } else {
+    return ctx->config[i];
+  }
+}
diff --git a/mongoose.c b/mongoose.c
index 83f986df..1a9ec6cb 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -751,6 +751,7 @@ static time_t parse_date_string(const char *datetime) {
   return result;
 }
 
+// This array must be in sync with enum in internal.h
 static const char *config_options[] = {
   "cgi_pattern", "**.cgi$|**.pl$|**.php$",
   "cgi_environment", NULL,
@@ -780,15 +781,37 @@ static const char *config_options[] = {
   NULL
 };
 
+const char **mg_get_valid_option_names(void) {
+  return config_options;
+}
+
+static int get_option_index(const char *name) {
+  int i;
+
+  for (i = 0; config_options[i * 2] != NULL; i++) {
+    if (strcmp(config_options[i * 2], name) == 0) {
+      return i;
+    }
+  }
+  return -1;
+}
+
+const char *mg_get_option(const struct mg_context *ctx, const char *name) {
+  int i;
+  if ((i = get_option_index(name)) == -1) {
+    return NULL;
+  } else if (ctx->config[i] == NULL) {
+    return "";
+  } else {
+    return ctx->config[i];
+  }
+}
+
 // Return number of bytes left to read for this connection
 static int64_t left_to_read(const struct mg_connection *conn) {
   return conn->content_len + conn->request_len - conn->num_bytes_read;
 }
 
-const char **mg_get_valid_option_names(void) {
-  return config_options;
-}
-
 static int call_user(int type, struct mg_connection *conn, void *p) {
   if (conn != NULL && conn->ctx != NULL) {
     conn->event.user_data = conn->ctx->user_data;
@@ -812,28 +835,6 @@ static FILE *mg_fopen(const char *path, const char *mode) {
 #endif
 }
 
-static int get_option_index(const char *name) {
-  int i;
-
-  for (i = 0; config_options[i * 2] != NULL; i++) {
-    if (strcmp(config_options[i * 2], name) == 0) {
-      return i;
-    }
-  }
-  return -1;
-}
-
-const char *mg_get_option(const struct mg_context *ctx, const char *name) {
-  int i;
-  if ((i = get_option_index(name)) == -1) {
-    return NULL;
-  } else if (ctx->config[i] == NULL) {
-    return "";
-  } else {
-    return ctx->config[i];
-  }
-}
-
 static void sockaddr_to_string(char *buf, size_t len,
                                      const union usa *usa) {
   buf[0] = '\0';