diff --git a/protocols/rdp/src/rdp_gdi.c b/protocols/rdp/src/rdp_gdi.c
index 4159d77e..52f19669 100644
--- a/protocols/rdp/src/rdp_gdi.c
+++ b/protocols/rdp/src/rdp_gdi.c
@@ -109,7 +109,7 @@ void guac_rdp_gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt) {
 void guac_rdp_gdi_opaquerect(rdpContext* context, OPAQUE_RECT_ORDER* opaque_rect) {
 
     guac_client* client = ((rdp_freerdp_context*) context)->client;
-    uint32 color = freerdp_color_convert(opaque_rect->color,
+    uint32 color = freerdp_color_convert_var(opaque_rect->color,
             context->instance->settings->color_depth, 32,
             ((rdp_freerdp_context*) context)->clrconv);
 
diff --git a/protocols/rdp/src/rdp_glyph.c b/protocols/rdp/src/rdp_glyph.c
index 608b722f..c6fbce0d 100644
--- a/protocols/rdp/src/rdp_glyph.c
+++ b/protocols/rdp/src/rdp_glyph.c
@@ -142,11 +142,11 @@ void guac_rdp_glyph_begindraw(rdpContext* context,
     guac_client* client = ((rdp_freerdp_context*) context)->client;
     rdp_guac_client_data* guac_client_data = (rdp_guac_client_data*) client->data;
 
-    bgcolor = freerdp_color_convert(bgcolor,
+    bgcolor = freerdp_color_convert_var(bgcolor,
             context->instance->settings->color_depth, 32,
             ((rdp_freerdp_context*) context)->clrconv);
 
-    fgcolor = freerdp_color_convert(fgcolor,
+    fgcolor = freerdp_color_convert_var(fgcolor,
             context->instance->settings->color_depth, 32,
             ((rdp_freerdp_context*) context)->clrconv);