diff --git a/src/edit.c b/src/edit.c
index 54c53ff..0e715c2 100644
--- a/src/edit.c
+++ b/src/edit.c
@@ -3749,51 +3749,52 @@
     static int
 ins_start_select(int c)
 {
-    if (km_startsel)
-	switch (c)
-	{
-	    case K_KHOME:
-	    case K_KEND:
-	    case K_PAGEUP:
-	    case K_KPAGEUP:
-	    case K_PAGEDOWN:
-	    case K_KPAGEDOWN:
+    if (!km_startsel)
+	return FALSE;
+    switch (c)
+    {
+	case K_KHOME:
+	case K_KEND:
+	case K_PAGEUP:
+	case K_KPAGEUP:
+	case K_PAGEDOWN:
+	case K_KPAGEDOWN:
 # ifdef MACOS_X
-	    case K_LEFT:
-	    case K_RIGHT:
-	    case K_UP:
-	    case K_DOWN:
-	    case K_END:
-	    case K_HOME:
+	case K_LEFT:
+	case K_RIGHT:
+	case K_UP:
+	case K_DOWN:
+	case K_END:
+	case K_HOME:
 # endif
-		if (!(mod_mask & MOD_MASK_SHIFT))
-		    break;
-		// FALLTHROUGH
-	    case K_S_LEFT:
-	    case K_S_RIGHT:
-	    case K_S_UP:
-	    case K_S_DOWN:
-	    case K_S_END:
-	    case K_S_HOME:
-		// Start selection right away, the cursor can move with
-		// CTRL-O when beyond the end of the line.
-		start_selection();
+	    if (!(mod_mask & MOD_MASK_SHIFT))
+		break;
+	    // FALLTHROUGH
+	case K_S_LEFT:
+	case K_S_RIGHT:
+	case K_S_UP:
+	case K_S_DOWN:
+	case K_S_END:
+	case K_S_HOME:
+	    // Start selection right away, the cursor can move with CTRL-O when
+	    // beyond the end of the line.
+	    start_selection();
 
-		// Execute the key in (insert) Select mode.
-		stuffcharReadbuff(Ctrl_O);
-		if (mod_mask)
-		{
-		    char_u	    buf[4];
+	    // Execute the key in (insert) Select mode.
+	    stuffcharReadbuff(Ctrl_O);
+	    if (mod_mask)
+	    {
+		char_u	    buf[4];
 
-		    buf[0] = K_SPECIAL;
-		    buf[1] = KS_MODIFIER;
-		    buf[2] = mod_mask;
-		    buf[3] = NUL;
-		    stuffReadbuff(buf);
-		}
-		stuffcharReadbuff(c);
-		return TRUE;
-	}
+		buf[0] = K_SPECIAL;
+		buf[1] = KS_MODIFIER;
+		buf[2] = mod_mask;
+		buf[3] = NUL;
+		stuffReadbuff(buf);
+	    }
+	    stuffcharReadbuff(c);
+	    return TRUE;
+    }
     return FALSE;
 }