diff --git a/imgui.cpp b/imgui.cpp
index 91ea149e..7e2cc01f 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -7429,20 +7429,19 @@ const ImWchar*  ImFontAtlas::GetGlyphRangesJapanese()
         109,2,18,23,0,0,9,61,3,0,28,41,77,27,19,17,81,5,2,14,5,83,57,252,14,154,263,14,20,8,13,6,57,39,38,
     };
     static int ranges_unpacked = false;
-    static ImWchar ranges[10 + 1 + IM_ARRAYSIZE(offsets_from_0x4E00)*2] =
+    static ImWchar ranges[10 + IM_ARRAYSIZE(offsets_from_0x4E00)*2 + 1] =
     {
         0x0020, 0x00FF, // Basic Latin + Latin Supplement
         0x3000, 0x3000, // Ideographic Space
         0x3040, 0x30FF, // Hiragana, Katakana
         0x31F0, 0x31FF, // Katakana Phonetic Extensions
         0xFF00, 0xFFEF, // Half-width characters
-        0, 
     };
     if (!ranges_unpacked)
     {
         // Unpack
         int codepoint = 0x4e00;
-        ImWchar* dst = &ranges[6];
+        ImWchar* dst = &ranges[10];
         for (int n = 0; n < IM_ARRAYSIZE(offsets_from_0x4E00); n++, dst += 2)
             dst[0] = dst[1] = (ImWchar)(codepoint += (offsets_from_0x4E00[n] + 1));
         dst[0] = 0;