diff --git a/.changeset/huge-banks-attend.md b/.changeset/huge-banks-attend.md
new file mode 100644
index 0000000..5223c7e
--- /dev/null
+++ b/.changeset/huge-banks-attend.md
@@ -0,0 +1,5 @@
+---
+"unicode-segmenter": patch
+---
+
+Fix G9Bc rule; `ZWNJ`(InCB=None) handling was missing. Thanks to @spaceemotion for reporting this.
diff --git a/src/grapheme.js b/src/grapheme.js
index 3261869..f5e8a6a 100644
--- a/src/grapheme.js
+++ b/src/grapheme.js
@@ -166,8 +166,10 @@ export function* graphemeSegments(input) {
         if (!consonant && catBefore === 0) {
           consonant = isIndicConjunctConsonant(_hd);
         }
-        if (consonant && catAfter === 3) {
-          linker = linker
+        if (consonant && (catAfter === 3 || catAfter === 14)) {
+          // ZWNJ(U+200C) has InCB=None, it should break the GB9c pattern
+          linker = cp !== 0x200C && (
+            linker
             || cp === 0x094D   // Devanagari Sign Virama
             || cp === 0x09CD   // Bengali Sign Virama
             || cp === 0x0A4D   // Gurmukhi Sign Virama
@@ -188,7 +190,8 @@ export function* graphemeSegments(input) {
             || cp === 0x1193E  // Dives Akuru Virama
             || cp === 0x11A47  // Zanabazar Square Subjoiner
             || cp === 0x11A99  // Soyombo Subjoiner
-            || cp === 0x11F42; // Kawi Conjoiner
+            || cp === 0x11F42  // Kawi Conjoiner
+          );
         } else {
           linker = false;
         }
diff --git a/test/grapheme.js b/test/grapheme.js
index b0daaba..d4efaed 100644
--- a/test/grapheme.js
+++ b/test/grapheme.js
@@ -280,6 +280,33 @@ test('counterexamples', async t => {
     'क्‍त',
     '് ',
     '्क',
+    'গ্‌ডু',
+    'স্ট্‌মা',
+    'আপি',
+    'স্ট্‌মা',
+    'ল্‌জ্ব',
+    'এবং',
+    'ল্‌ছ',
+    ' ক',
+    ' വ',
+    ' ക',
+    ' വൃ',
+    ' പു',
+    ' യ',
+    ' പോ',
+    ' ജോ',
+    ' നീ',
+    'എന്നാ',
+    'ഡ്‌ഢി',
+    'ഇനി',
+    'ഉദ്യോ',
+    ' താ',
+    ' ദു',
+    ' ബു',
+    'ഒര',
+    ' जा',
+    ' କା',
+    ' ଶ୍ୟା',
   ];
 
   for (let counter of counterExamples) {