diff --git a/src/main.c b/src/main.c
index 0b52af4..0c85f1e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -44,7 +44,7 @@ void get_selection(Display *display, Window window, Atom property) {
 	incr = XInternAtom(display, "INCR", 0);
 	if(type == incr)
 	{
-		// increment size of buffer
+		// TODO: increment size of buffer
 		return;
 	}
 
@@ -64,24 +64,54 @@ void get_selection(Display *display, Window window, Atom property) {
 	XDeleteProperty(display, window, property);
 }
 
-/*void send_selection(Display *display, XSelectionRequestEvent *sre, Atom utf8) {
-	XSelectionEvent se;
-	time_t now_tm;
-	char *now;
-
-	now_tm = time(NULL);
-	now = ctime(&now_tm);
+void send_reject(Display *display, XSelectionRequestEvent *sre) {
+	XSelectionEvent reply_se;
 
 #ifdef DEBUG
-	char *an = XGetAtomName(display, sre->property);
-	printf("Sending CLIPBOARD to window 0x%1x, property '%s'\n", sre->requestor, an);
-	if(an)
-		XFree(an);
+	char *target_name;
+	target_name = XGetAtomName(display, sre->target);
+	printf("Denying request for type `%s'\n", target_name);
+	if(target_name)
+		XFree(target_name);
 #endif
 
-	XChangeProperty(display, sre->requestor, sre->property, utf8, 8, PropModeReplace, data, data_size);
+	reply_se.type = SelectionNotify;
+	reply_se.requestor = sre->requestor;
+	reply_se.selection = sre->selection;
+	reply_se.target = sre->target;
+	reply_se.property = None;
+	reply_se.time = sre->time;
 
-}*/
+	XSendEvent(display, sre->requestor, 1,
+			NoEventMask, (XEvent*)&reply_se);
+}
+
+void send_selection(Display *display,
+		XSelectionRequestEvent *sre, Atom utf8)
+{
+	XSelectionEvent reply_se;
+
+#ifdef DEBUG
+	char *target_name = XGetAtomName(display, sre->property);
+	printf("Sending CLIPBOARD to window 0x%1x, property '%s'\n",
+			(unsigned int)sre->requestor, target_name);
+	if(target_name)
+		XFree(target_name);
+#endif
+
+	XChangeProperty(display, sre->requestor, sre->property,
+			utf8, 8, PropModeReplace, (unsigned char*)data, data_size);
+
+	reply_se.type = SelectionNotify;
+	reply_se.requestor = sre->requestor;
+	reply_se.selection = sre->selection;
+	reply_se.target = sre->target;
+	reply_se.property = sre->property;
+	reply_se.time = sre->time;
+
+	XSendEvent(display, sre->requestor, 1,
+			NoEventMask, (XEvent*)&reply_se);
+}
 
 int main() {
 	Display *display;
@@ -134,7 +164,7 @@ int main() {
 	while(run)
 	{
 		XNextEvent(display, &event);
-		/*XSelectionRequestEvent *sre;*/
+		XSelectionRequestEvent *sre;
 		XSelectionEvent *se;
 		switch(event.type)
 		{
@@ -154,11 +184,15 @@ int main() {
 				break;
 			case SelectionRequest:
 				// respond to request for clipboard
-				/*sre = (XSelectionRequestEvent*) &event.xselectionrequest;*/
+				sre = (XSelectionRequestEvent*) &event.xselectionrequest;
 #ifdef DEBUG
-				/*printf("New selection request:\n"
-						"  requestor: 0x%1x\n", (unsigned int)sre->requestor);*/
+				printf("New selection request:\n"
+						"  requestor: 0x%1x\n", (unsigned int)sre->requestor);
 #endif
+				if(sre->target != utf8 || sre->property == None)
+					send_reject(display, sre);
+				else
+					send_selection(display, sre, utf8);
 				break;
 		}
 	}