diff -r 76aea257b1c6 -r ea49cd76cf47 pidgin/win32/gtkdocklet-win32.c
--- a/pidgin/win32/gtkdocklet-win32.c	Sat Sep 09 05:48:09 2017 -0400
+++ b/pidgin/win32/gtkdocklet-win32.c	Sun Sep 10 15:10:34 2017 -0400
@@ -85,11 +85,11 @@
 
 		/* We'll use Double Click - Single click over on linux */
 		if(lparam == WM_LBUTTONDBLCLK)
-			type = 1;
+			type = GDK_BUTTOM_PRIMARY;
 		else if(lparam == WM_MBUTTONUP)
-			type = 2;
+			type = GDK_BUTTON_MIDDLE;
 		else if(lparam == WM_RBUTTONUP)
-			type = 3;
+			type = GDK_BUTTON_SECONDARY;
 		else
 			break;