diff --git a/honoka/src/honoka_imengine.cpp b/honoka/src/honoka_imengine.cpp
index 8819f15..cdaa3c6 100644
--- a/honoka/src/honoka_imengine.cpp
+++ b/honoka/src/honoka_imengine.cpp
@@ -1319,6 +1319,17 @@
         return true;
     } else
     
+    // 逆変換(特殊3)キー。
+    if (k_conversion_special3.comp(key)) {
+        m_no_update = false;
+        m_convList = m_convertor->getResultList(m_convertor->getPos(),SPECIAL3);
+        if (m_convList.count() == 0) return true;
+        startLookup();
+        updateConversion();
+        alp_count = 1;
+        return true;
+    } else
+    
     // 注目文節移動キー。
     if (k_conversion_forward.comp(key) || k_conversion_backward.comp(key)) {
         m_no_update = false;