diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp
index 1f60853b6..e84ff0534 100644
--- a/imgui_widgets.cpp
+++ b/imgui_widgets.cpp
@@ -4925,7 +4925,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
         IM_ASSERT(new_len + 1 <= buf_size && "Is your input buffer properly zero-terminated?");
         state->WantReloadUserBuf = false;
         InputTextReconcileUndoState(state, state->TextA.Data, state->TextLen, buf, new_len);
-        state->TextA.resize(buf_size + 1); // we use +1 to make sure that .Data is always pointing to at least an empty string.
+        state->TextA.resize(buf_size < INT_MAX ? buf_size + 1 : buf_size); // we use +1 to make sure that .Data is always pointing to at least an empty string.
         state->TextLen = new_len;
         memcpy(state->TextA.Data, buf, state->TextLen + 1);
         state->Stb->select_start = state->ReloadSelectionStart;
@@ -4963,7 +4963,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
         state->EditedBefore = false;
         if (!is_readonly)
         {
-            state->TextA.resize(buf_size + 1); // we use +1 to make sure that .Data is always pointing to at least an empty string.
+            state->TextA.resize(buf_size < INT_MAX ? buf_size + 1 : buf_size); // we use +1 to make sure that .Data is always pointing to at least an empty string.
             memcpy(state->TextA.Data, buf, state->TextLen + 1);
         }