diff --git a/src/config.c b/src/config.c
index 7fe6b9c..a25cc43 100644
--- a/src/config.c
+++ b/src/config.c
@@ -573,7 +573,7 @@ configure_http_postbody_max(char **argv)
 		return (KORE_RESULT_ERROR);
 	}
 
-	http_postbody_max = kore_strtonum(argv[1], 10, 1, ULONG_MAX, &err);
+	http_postbody_max = kore_strtonum(argv[1], 10, 1, LONG_MAX, &err);
 	if (err != KORE_RESULT_OK) {
 		printf("bad http_postbody_max value: %s\n", argv[1]);
 		return (KORE_RESULT_ERROR);
@@ -595,7 +595,7 @@ configure_http_hsts_enable(char **argv)
 		return (KORE_RESULT_ERROR);
 	}
 
-	http_hsts_enable = kore_strtonum(argv[1], 10, 0, ULONG_MAX, &err);
+	http_hsts_enable = kore_strtonum(argv[1], 10, 0, LONG_MAX, &err);
 	if (err != KORE_RESULT_OK) {
 		printf("bad http_hsts_enable value: %s\n", argv[1]);
 		return (KORE_RESULT_ERROR);
diff --git a/src/http.c b/src/http.c
index be2e325..5d466b1 100644
--- a/src/http.c
+++ b/src/http.c
@@ -472,7 +472,7 @@ http_header_recv(struct netbuf *nb)
 			return (KORE_RESULT_ERROR);
 		}
 
-		clen = kore_strtonum(p, 10, 0, ULONG_MAX, &v);
+		clen = kore_strtonum(p, 10, 0, LONG_MAX, &v);
 		if (v == KORE_RESULT_ERROR) {
 			kore_mem_free(p);
 			kore_debug("content-length invalid: %s", p);