diff --git a/lib/urlapi.c b/lib/urlapi.c
index 18a6076ff..e877dc726 100644
--- a/lib/urlapi.c
+++ b/lib/urlapi.c
@@ -238,7 +238,7 @@ bool Curl_is_absolute_url(const char *url, char *buf, size_t buflen)
 #endif
   for(i = 0; i < buflen && url[i]; ++i) {
     char s = url[i];
-    if(s == ':') {
+    if((s == ':') && (url[i + 1] == '/')) {
       if(buf)
         buf[i] = 0;
       return TRUE;
diff --git a/tests/libtest/lib1560.c b/tests/libtest/lib1560.c
index 57469a906..6557e0567 100644
--- a/tests/libtest/lib1560.c
+++ b/tests/libtest/lib1560.c
@@ -128,6 +128,9 @@ struct querycase {
 };
 
 static struct testcase get_parts_list[] ={
+  {"boing:80",
+   "https | [11] | [12] | [13] | boing | 80 | / | [16] | [17]",
+   CURLU_DEFAULT_SCHEME, 0, CURLUE_OK},
   {"http://[fd00:a41::50]:8080",
    "http | [11] | [12] | [13] | [fd00:a41::50] | 8080 | / | [16] | [17]",
    CURLU_DEFAULT_SCHEME, 0, CURLUE_OK},