diff --git a/matepath/src/Dialogs.cpp b/matepath/src/Dialogs.cpp
index ce7662a857..6fab9b959e 100644
--- a/matepath/src/Dialogs.cpp
+++ b/matepath/src/Dialogs.cpp
@@ -374,11 +374,9 @@ INT_PTR CALLBACK GotoDlgProc(HWND hwnd, UINT umsg, WPARAM wParam, LPARAM lParam)
 			}
 		}
 
-		// from WinUser.h: GetComboBoxInfo() since Windows Vista, but CB_GETCOMBOBOXINFO since Windows XP.
 		COMBOBOXINFO cbi;
-		memset(&cbi, 0, sizeof(COMBOBOXINFO));
 		cbi.cbSize = sizeof(COMBOBOXINFO);
-		if (SendMessage(hwndGoto, CB_GETCOMBOBOXINFO, 0, AsInteger<LPARAM>(&cbi))) {
+		if (GetComboBoxInfo(hwndGoto, &cbi)) {
 			SHAutoComplete(cbi.hwndItem, SHACF_FILESYSTEM);
 		}
 		CenterDlgInParent(hwnd);
diff --git a/src/Edit.cpp b/src/Edit.cpp
index b75637bd05..ef3ad5ced0 100644
--- a/src/Edit.cpp
+++ b/src/Edit.cpp
@@ -4590,12 +4590,13 @@ static LRESULT CALLBACK AddBackslashEditProc(HWND hwnd, UINT umsg, WPARAM wParam
 	return DefSubclassProc(hwnd, umsg, wParam, lParam);
 }
 
-void AddBackslashComboBoxSetup(HWND hwndDlg, int nCtlId) noexcept {
-	HWND hwnd = GetDlgItem(hwndDlg, nCtlId);
+void AddBackslashComboBoxSetup(HWND hwnd) noexcept {
 	COMBOBOXINFO info;
 	info.cbSize = sizeof(COMBOBOXINFO);
 	if (GetComboBoxInfo(hwnd, &info)) {
 		SetWindowSubclass(info.hwndItem, AddBackslashEditProc, 0, 0);
+		// Ctrl+Backspace
+		SHAutoComplete(info.hwndItem, SHACF_FILESYS_ONLY | SHACF_AUTOAPPEND_FORCE_OFF | SHACF_AUTOSUGGEST_FORCE_OFF);
 	}
 }
 
@@ -4734,7 +4735,7 @@ static INT_PTR CALLBACK EditFindReplaceDlgProc(HWND hwnd, UINT umsg, WPARAM wPar
 		ResizeDlg_InitX(hwnd, cxFindReplaceDlg, IDC_RESIZEGRIP2);
 
 		HWND hwndFind = GetDlgItem(hwnd, IDC_FINDTEXT);
-		AddBackslashComboBoxSetup(hwnd, IDC_FINDTEXT);
+		AddBackslashComboBoxSetup(hwndFind);
 
 		// Load MRUs
 		mruFind.AddToCombobox(hwndFind);
@@ -4754,7 +4755,7 @@ static INT_PTR CALLBACK EditFindReplaceDlgProc(HWND hwnd, UINT umsg, WPARAM wPar
 
 		HWND hwndRepl = GetDlgItem(hwnd, IDC_REPLACETEXT);
 		if (hwndRepl) {
-			AddBackslashComboBoxSetup(hwnd, IDC_REPLACETEXT);
+			AddBackslashComboBoxSetup(hwndRepl);
 			mruReplace.AddToCombobox(hwndRepl);
 			ComboBox_LimitText(hwndRepl, NP2_FIND_REPLACE_LIMIT);
 			ComboBox_SetExtendedUI(hwndRepl, TRUE);
diff --git a/src/Helpers.cpp b/src/Helpers.cpp
index 0f01d4c3e6..17e23153de 100644
--- a/src/Helpers.cpp
+++ b/src/Helpers.cpp
@@ -1240,7 +1240,10 @@ static LRESULT CALLBACK MultilineEditProc(HWND hwnd, UINT umsg, WPARAM wParam, L
 }
 
 void MultilineEditSetup(HWND hwndDlg, int nCtlId) noexcept {
-	SetWindowSubclass(GetDlgItem(hwndDlg, nCtlId), MultilineEditProc, 0, 0);
+	HWND hwnd = GetDlgItem(hwndDlg, nCtlId);
+	SetWindowSubclass(hwnd, MultilineEditProc, 0, 0);
+	// Ctrl+Backspace
+	SHAutoComplete(hwnd, SHACF_FILESYS_ONLY | SHACF_AUTOAPPEND_FORCE_OFF | SHACF_AUTOSUGGEST_FORCE_OFF);
 }
 
 //=============================================================================