diff --git a/src/bin/termio.c b/src/bin/termio.c
index 74acb681..2974b479 100644
--- a/src/bin/termio.c
+++ b/src/bin/termio.c
@@ -2597,19 +2597,18 @@ _codepoint_is_wordsep(const Eina_Unicode g)
        0xff65,
        0xe002a
    };
-   size_t imax = sizeof(wordsep)/sizeof(wordsep[0]) - 1,
+   size_t imax = (sizeof(wordsep) / sizeof(wordsep[0])) - 1,
           imin = 0;
 
-  while (imax >= imin)
-    {
-      size_t imid = (imin + imax) / 2;
-      if (wordsep[imid] == g)
-        return EINA_TRUE;
-      else if (wordsep[imid] < g)
-        imin = imid + 1;
-      else
-        imax = imid - 1;
-    }
+   while (imax >= imin)
+     {
+        size_t imid = (imin + imax) / 2;
+
+        if (wordsep[imid] == g) return EINA_TRUE;
+        else if (wordsep[imid] < g) imin = imid + 1;
+        else imax = imid - 1;
+        if ((imax == imin) || (imid == 0)) break;
+     }
    return EINA_FALSE;
 }