diff --git a/lib/detect-libc.js b/lib/detect-libc.js
index f2b5608..8e221a1 100644
--- a/lib/detect-libc.js
+++ b/lib/detect-libc.js
@@ -86,7 +86,7 @@ const getFamilyFromLddContent = (content) => {
   if (content.includes('musl')) {
     return MUSL;
   }
-  if (content.match(/libc/i)) {
+  if (content.includes('GNU C Library')) {
     return GLIBC;
   }
   return null;
diff --git a/test/unit.js b/test/unit.js
index 3c2cdd8..e6268c2 100644
--- a/test/unit.js
+++ b/test/unit.js
@@ -58,23 +58,7 @@ test('linux - glibc family detected via ldd', async (t) => {
       isLinux: () => true
     },
     './filesystem': {
-      readFile: () => Promise.resolve('bunch-of-text GLIBC')
-    }
-  });
-
-  t.is(await libc.family(), libc.GLIBC);
-  t.false(await libc.isNonGlibcLinux());
-});
-
-test('linux - glibc family detected via ldd (libc)', async (t) => {
-  t.plan(2);
-
-  const libc = proxyquire('../', {
-    './process': {
-      isLinux: () => true
-    },
-    './filesystem': {
-      readFile: () => Promise.resolve('TEXTDOMAIN=libc')
+      readFile: () => Promise.resolve('# This file is part of the GNU C Library.')
     }
   });
 
@@ -90,23 +74,7 @@ test('linux - glibc familySync detected via ldd', async (t) => {
       isLinux: () => true
     },
     './filesystem': {
-      readFileSync: () => 'bunch-of-text GLIBC'
-    }
-  });
-
-  t.is(libc.familySync(), libc.GLIBC);
-  t.false(libc.isNonGlibcLinuxSync());
-});
-
-test('linux - glibc familySync detected via ldd (libc)', async (t) => {
-  t.plan(2);
-
-  const libc = proxyquire('../', {
-    './process': {
-      isLinux: () => true
-    },
-    './filesystem': {
-      readFileSync: () => 'TEXTDOMAIN=libc'
+      readFileSync: () => '# The GNU C Library is free software; you can redistribute it and/or'
     }
   });