diff --git a/docs/labwc-config.5.scd b/docs/labwc-config.5.scd
index c274a0d2..efe97239 100644
--- a/docs/labwc-config.5.scd
+++ b/docs/labwc-config.5.scd
@@ -580,7 +580,8 @@ extending outward from the snapped edge.
 	The size of corner regions to which the 'TLCorner', 'TRCorner',
 	'BLCorner' and 'RLCorner' mousebind contexts apply, as well as the size
 	of the border region for which mouse resizing will apply both
-	horizontally and vertically rather than one or the other. Default is 8.
+	horizontally and vertically rather than one or the other. Default is
+	half the titlebar height.
 
 ## KEYBOARD
 
diff --git a/src/config/rcxml.c b/src/config/rcxml.c
index 2193336c..b3ba6439 100644
--- a/src/config/rcxml.c
+++ b/src/config/rcxml.c
@@ -1221,7 +1221,7 @@ entry(xmlNode *node, char *nodename, char *content)
 	} else if (!strcasecmp(nodename, "drawContents.resize")) {
 		set_bool(content, &rc.resize_draw_contents);
 	} else if (!strcasecmp(nodename, "cornerRange.resize")) {
-		rc.resize_corner_range = MAX(0, atoi(content));
+		rc.resize_corner_range = atoi(content);
 	} else if (!strcasecmp(nodename, "mouseEmulation.tablet")) {
 		set_bool(content, &rc.tablet.force_mouse_emulation);
 	} else if (!strcasecmp(nodename, "mapToOutput.tablet")) {
@@ -1494,7 +1494,7 @@ rcxml_init(void)
 
 	rc.resize_indicator = LAB_RESIZE_INDICATOR_NEVER;
 	rc.resize_draw_contents = true;
-	rc.resize_corner_range = 8;
+	rc.resize_corner_range = -1;
 
 	rc.workspace_config.popuptime = INT_MIN;
 	rc.workspace_config.min_nr_workspaces = 1;
diff --git a/src/theme.c b/src/theme.c
index 511bc923..51468e02 100644
--- a/src/theme.c
+++ b/src/theme.c
@@ -1388,6 +1388,10 @@ post_processing(struct theme *theme)
 		rc.corner_radius = theme->titlebar_height - 1;
 	}
 
+	if (rc.resize_corner_range < 0) {
+		rc.resize_corner_range = theme->titlebar_height / 2;
+	}
+
 	int min_button_hover_radius =
 		MIN(theme->window_button_width, theme->window_button_height) / 2;
 	if (theme->window_button_hover_bg_corner_radius > min_button_hover_radius) {