diff --git a/imgui.cpp b/imgui.cpp
index 1eda26142cb2d..11cb2f291f411 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -2250,16 +2250,12 @@ void ImGuiStorage::SetAllInt(int v)
 // Helper: Parse and apply text filters. In format "aaaaa[,bbbb][,ccccc]"
 ImGuiTextFilter::ImGuiTextFilter(const char* default_filter)
 {
+    memset(this, 0, sizeof(*this));
     if (default_filter)
     {
         ImStrncpy(InputBuf, default_filter, IM_ARRAYSIZE(InputBuf));
         Build();
     }
-    else
-    {
-        InputBuf[0] = 0;
-        CountGrep = 0;
-    }
 }
 
 bool ImGuiTextFilter::Draw(const char* label, float width)