diff --git a/contrib/src/stc/gen_iface.py b/contrib/src/stc/gen_iface.py
index 18b28cbdd3..82de85895b 100644
--- a/contrib/src/stc/gen_iface.py
+++ b/contrib/src/stc/gen_iface.py
@@ -254,7 +254,8 @@ methodOverrideMap = {
                      TextToFind  ft;
                      ft.chrg.cpMin = minPos;
                      ft.chrg.cpMax = maxPos;
-                     ft.lpstrText = (char*)(const char*)wx2stc(text);
+                     wxWX2MBbuf buf = wx2stc(text);
+                     ft.lpstrText = (char*)(const char*)buf;
 
                      return SendMsg(%s, flags, (long)&ft);''',
                   0),
diff --git a/contrib/src/stc/stc.cpp b/contrib/src/stc/stc.cpp
index bda10615e5..7451dbd334 100644
--- a/contrib/src/stc/stc.cpp
+++ b/contrib/src/stc/stc.cpp
@@ -951,7 +951,8 @@ int wxStyledTextCtrl::FindText(int minPos, int maxPos,
                      TextToFind  ft;
                      ft.chrg.cpMin = minPos;
                      ft.chrg.cpMax = maxPos;
-                     ft.lpstrText = (char*)(const char*)wx2stc(text);
+                     wxWX2MBbuf buf = wx2stc(text);
+                     ft.lpstrText = (char*)(const char*)buf;
 
                      return SendMsg(2150, flags, (long)&ft);
 }
diff --git a/src/stc/gen_iface.py b/src/stc/gen_iface.py
index 18b28cbdd3..82de85895b 100644
--- a/src/stc/gen_iface.py
+++ b/src/stc/gen_iface.py
@@ -254,7 +254,8 @@ methodOverrideMap = {
                      TextToFind  ft;
                      ft.chrg.cpMin = minPos;
                      ft.chrg.cpMax = maxPos;
-                     ft.lpstrText = (char*)(const char*)wx2stc(text);
+                     wxWX2MBbuf buf = wx2stc(text);
+                     ft.lpstrText = (char*)(const char*)buf;
 
                      return SendMsg(%s, flags, (long)&ft);''',
                   0),
diff --git a/src/stc/stc.cpp b/src/stc/stc.cpp
index bda10615e5..7451dbd334 100644
--- a/src/stc/stc.cpp
+++ b/src/stc/stc.cpp
@@ -951,7 +951,8 @@ int wxStyledTextCtrl::FindText(int minPos, int maxPos,
                      TextToFind  ft;
                      ft.chrg.cpMin = minPos;
                      ft.chrg.cpMax = maxPos;
-                     ft.lpstrText = (char*)(const char*)wx2stc(text);
+                     wxWX2MBbuf buf = wx2stc(text);
+                     ft.lpstrText = (char*)(const char*)buf;
 
                      return SendMsg(2150, flags, (long)&ft);
 }