diff --git a/src/term.c b/src/term.c
index 1c6aadc..8f3ee60 100644
--- a/src/term.c
+++ b/src/term.c
@@ -2029,7 +2029,7 @@
 # endif
 	if (p != NULL)
 	{
-	    set_option_value((char_u *)"ttym", 0L, p, 0);
+	    set_option_value_give_err((char_u *)"ttym", 0L, p, 0);
 	    // Reset the WAS_SET flag, 'ttymouse' can be set to "sgr" or
 	    // "xterm2" in check_termcode().
 	    reset_option_was_set((char_u *)"ttym");
@@ -4605,7 +4605,7 @@
 	    // Setting the option causes a screen redraw. Do
 	    // that right away if possible, keeping any
 	    // messages.
-	    set_option_value((char_u *)"ambw", 0L, (char_u *)aw, 0);
+	    set_option_value_give_err((char_u *)"ambw", 0L, (char_u *)aw, 0);
 # ifdef DEBUG_TERMRESPONSE
 	    {
 		int r = redraw_asap(CLEAR);
@@ -4816,7 +4816,7 @@
 		&& (term_props[TPR_MOUSE].tpr_status == TPR_MOUSE_XTERM2
 		    || term_props[TPR_MOUSE].tpr_status == TPR_MOUSE_SGR))
 	{
-	    set_option_value((char_u *)"ttym", 0L,
+	    set_option_value_give_err((char_u *)"ttym", 0L,
 		    term_props[TPR_MOUSE].tpr_status == TPR_MOUSE_SGR
 				    ? (char_u *)"sgr" : (char_u *)"xterm2", 0);
 	}
@@ -5140,8 +5140,8 @@
 				      && STRCMP(p_bg, new_bg_val) != 0)
 			{
 			    // value differs, apply it
-			    set_option_value((char_u *)"bg", 0L,
-					      (char_u *)new_bg_val, 0);
+			    set_option_value_give_err((char_u *)"bg",
+						  0L, (char_u *)new_bg_val, 0);
 			    reset_option_was_set((char_u *)"bg");
 			    redraw_asap(CLEAR);
 			}