diff --git a/gulf.js b/gulf.js
index 224cde1..afb37cf 100644
--- a/gulf.js
+++ b/gulf.js
@@ -53,7 +53,7 @@
 	 and then calls out to the original function.
 	 */
 	_[jsonParsingFunctionName] = function(a, b) {
-		a = a.replaceAll('Gulf of America', 'Gulf of Mexico');
+		a = a.replaceAll(' (Gulf of America)', "").replaceAll('Gulf of America', 'Gulf of Mexico')
 		return originalJsonParsingFunction(a, b)
 	}
 
@@ -138,6 +138,8 @@
 		// Constants for special cases
 		const CHAR_CODE_SPACE = " ".charCodeAt(0)
 		const CHAR_CODE_CAPITAL_A = "A".charCodeAt(0)
+    const CHAR_CODE_PARENTH = '('.charCodeAt(0)
+    const CHAR_CODE_CAPITAL_G = 'G'.charCodeAt(0)
 		const REPLACEMENT_BYTES = [..."Mexico\0"].map(char => char.charCodeAt(0))
 
 		// For every possible starting character in our `labelBytes` blob...
@@ -196,11 +198,29 @@
 				// (we can't just add a fixed value because we don't know how long the
 				// match even is, thanks to variable space matching)
 				const americaStartIndex = labelBytes.indexOf(CHAR_CODE_CAPITAL_A, labelByteStartingIndex)
-
-				// Replace "America" with "Mexico\0"
-				for (let i = 0; i < REPLACEMENT_BYTES.length; i++) {
-					labelBytes[americaStartIndex + i] = REPLACEMENT_BYTES[i];
-				}
+        let parenthStartIndex = -1;
+        // Check if the label is `Gulf of Mexico (Gulf of America)`
+        for (let i = 0; i < labelBytes.length; i++) {
+          if (labelBytes[i] == CHAR_CODE_PARENTH && labelBytes[i + 1] == CHAR_CODE_CAPITAL_G) {
+            parenthStartIndex = i
+            break
+          }
+        }
+        if (parenthStartIndex > -1) {
+          // Replace "(Gulf of" with null bytes
+          for (let i = 0; i < 8; i++) {
+            labelBytes[parenthStartIndex + i] = '\0'.charCodeAt(0)
+          }
+          // Replace "America)" with null bytes
+          for (let i = 0; i < 8; i++) {
+            labelBytes[americaStartIndex + i] = '\0'.charCodeAt(0)
+          }
+        } else {
+				  // Replace "America" with "Mexico\0"
+				  for (let i = 0; i < REPLACEMENT_BYTES.length; i++) {
+					  labelBytes[americaStartIndex + i] = REPLACEMENT_BYTES[i]
+          }
+        }
 			}
 
 		}