diff --git a/src/gui_gtk_x11.c b/src/gui_gtk_x11.c
index 4e89c4e..6381a95 100644
--- a/src/gui_gtk_x11.c
+++ b/src/gui_gtk_x11.c
@@ -397,6 +397,12 @@
 #endif
 
 /*
+ * GTK doesn't set the GDK_BUTTON1_MASK state when dragging a touch. Add this
+ * state when dragging.
+ */
+static guint dragging_button_state = 0;
+
+/*
  * Parse the GUI related command-line arguments.  Any arguments used are
  * deleted from argv, and *argc is decremented accordingly.  This is called
  * when vim is started, whether or not the GUI has been started.
@@ -1585,6 +1591,9 @@
     int_u   vim_modifiers;
     GtkAllocation allocation;
 
+    // Need to add GDK_BUTTON1_MASK state when dragging a touch.
+    state |= dragging_button_state;
+
     button = (state & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK |
 		       GDK_BUTTON3_MASK | GDK_BUTTON4_MASK |
 		       GDK_BUTTON5_MASK))
@@ -1811,7 +1820,11 @@
     {
 	// Keep in sync with gui_x11.c.
 	// Buttons 4-7 are handled in scroll_event()
-	case 1: button = MOUSE_LEFT; break;
+	case 1:
+		button = MOUSE_LEFT;
+		// needed for touch-drag
+		dragging_button_state |= GDK_BUTTON1_MASK;
+		break;
 	case 2: button = MOUSE_MIDDLE; break;
 	case 3: button = MOUSE_RIGHT; break;
 	case 8: button = MOUSE_X1; break;
@@ -1906,6 +1919,13 @@
 
     gui_send_mouse_event(MOUSE_RELEASE, x, y, FALSE, vim_modifiers);
 
+    switch (event->button)
+    {
+	case 1:  // MOUSE_LEFT
+	    dragging_button_state = 0;
+	    break;
+    }
+
     return TRUE;
 }