diff --git a/imgui.cpp b/imgui.cpp
index 45e0e2a..1025054 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -6570,8 +6570,9 @@
         return;
     ImGuiWindow* window = g.CurrentWindow;
 
-    g.LogEnabled = true;
+    IM_ASSERT(g.LogFile == NULL);
     g.LogFile = stdout;
+    g.LogEnabled = true;
     g.LogStartDepth = window->DC.TreeDepth;
     if (max_depth >= 0)
         g.LogAutoExpandMaxDepth = max_depth;
@@ -6592,6 +6593,7 @@
             return;
     }
 
+    IM_ASSERT(g.LogFile == NULL);
     g.LogFile = ImFileOpen(filename, "ab");
     if (!g.LogFile)
     {
@@ -6612,8 +6614,9 @@
         return;
     ImGuiWindow* window = g.CurrentWindow;
 
-    g.LogEnabled = true;
+    IM_ASSERT(g.LogFile == NULL);
     g.LogFile = NULL;
+    g.LogEnabled = true;
     g.LogStartDepth = window->DC.TreeDepth;
     if (max_depth >= 0)
         g.LogAutoExpandMaxDepth = max_depth;
@@ -6626,7 +6629,6 @@
         return;
 
     LogText(IM_NEWLINE);
-    g.LogEnabled = false;
     if (g.LogFile != NULL)
     {
         if (g.LogFile == stdout)
@@ -6640,6 +6642,7 @@
         SetClipboardText(g.LogClipboard->begin());
         g.LogClipboard->clear();
     }
+    g.LogEnabled = false;
 }
 
 // Helper to display logging buttons