diff --git a/README.md b/README.md
index ed3f9ff..049e80f 100644
--- a/README.md
+++ b/README.md
@@ -115,7 +115,7 @@ cat index.html | monolith -aIiFfcMv -b https://original.site/ - > result.html
  - `-C`: Save document using custom `charset`
  - `-d`: Allow retrieving assets only from specified `domain(s)`
  - `-e`: Ignore network errors
- - `-E`: Exclude all assets located within domains specified in whitelist
+ - `-E`: Avoid retrieving assets located within specified domains
  - `-f`: Omit frames
  - `-F`: Exclude web fonts
  - `-i`: Remove images
diff --git a/src/utils.rs b/src/utils.rs
index 078a6f0..f3996c2 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -117,8 +117,8 @@ pub fn domain_is_within_domain(domain: &str, domain_to_match_against: &str) -> b
 
     while i < l {
         // Exit and return false if went out of bounds of domain to match against, and it didn't start with a dot
-        if domain_to_match_against_partials.len() < i + 1
-            && !domain_to_match_against_starts_with_a_dot
+        if !domain_to_match_against_starts_with_a_dot
+            && domain_to_match_against_partials.len() < i + 1
         {
             ok = false;
             break;
@@ -135,10 +135,9 @@ pub fn domain_is_within_domain(domain: &str, domain_to_match_against: &str) -> b
             domain_to_match_against_partials.get(i).unwrap()
         };
 
-        let parts_match = domain_to_match_against_starts_with_a_dot
-            || domain_to_match_against_partial.eq_ignore_ascii_case(domain_partial);
+        let parts_match = domain_to_match_against_partial.eq_ignore_ascii_case(domain_partial);
 
-        if !parts_match {
+        if !parts_match && domain_to_match_against_partial.len() != 0 {
             ok = false;
             break;
         }
diff --git a/tests/utils/domain_is_within_domain.rs b/tests/utils/domain_is_within_domain.rs
index fcd0840..dc843f4 100644
--- a/tests/utils/domain_is_within_domain.rs
+++ b/tests/utils/domain_is_within_domain.rs
@@ -134,6 +134,14 @@ mod failing {
         ));
     }
 
+    #[test]
+    fn different_domain_is_not_within_dotted_domain() {
+        assert!(!utils::domain_is_within_domain(
+            "www.doodleoptimize.com",
+            ".ycombinator.com"
+        ));
+    }
+
     #[test]
     fn no_domain_can_be_within_empty_domain() {
         assert!(!utils::domain_is_within_domain("ycombinator.com", ""));