diff --git a/include/client/cairo.h b/include/client/cairo.h
index ad8390c4..46c53566 100644
--- a/include/client/cairo.h
+++ b/include/client/cairo.h
@@ -1,6 +1,11 @@
 #ifndef _SWAY_CAIRO_H
 #define _SWAY_CAIRO_H
 
+#include <stdint.h>
+#include <cairo/cairo.h>
+
+void cairo_set_source_u32(cairo_t *cairo, uint32_t color);
+
 #ifdef WITH_GDK_PIXBUF
 #include <gdk-pixbuf/gdk-pixbuf.h>
 
diff --git a/swaybar/CMakeLists.txt b/swaybar/CMakeLists.txt
index 60975f40..5b865083 100644
--- a/swaybar/CMakeLists.txt
+++ b/swaybar/CMakeLists.txt
@@ -25,6 +25,12 @@ target_link_libraries(swaybar
 	${JSONC_LIBRARIES}
 )
 
+if (WITH_GDK_PIXBUF)
+	include_directories(
+		${GDK_PIXBUF_INCLUDE_DIRS}
+	)
+endif()
+
 install(
 	TARGETS swaybar
 	RUNTIME
diff --git a/swaybar/render.c b/swaybar/render.c
index ce5d10b4..1573a373 100644
--- a/swaybar/render.c
+++ b/swaybar/render.c
@@ -2,6 +2,7 @@
 #include <stdint.h>
 #include <string.h>
 
+#include "client/cairo.h"
 #include "client/pango.h"
 #include "client/window.h"
 #include "bar/config.h"
@@ -15,14 +16,6 @@ static int ws_horizontal_padding = 5;
 static double ws_vertical_padding = 1.5;
 static int ws_spacing = 1;
 
-static void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
-	cairo_set_source_rgba(cairo,
-			((color & 0xFF000000) >> 24) / 255.0,
-			((color & 0xFF0000) >> 16) / 255.0,
-			((color & 0xFF00) >> 8) / 255.0,
-			(color & 0xFF) / 255.0);
-}
-
 /**
  * Renders a sharp line of any width and height.
  *
diff --git a/swaylock/main.c b/swaylock/main.c
index 98e26839..f0fe1d00 100644
--- a/swaylock/main.c
+++ b/swaylock/main.c
@@ -115,14 +115,6 @@ void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t cod
 	}
 }
 
-static void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
-	cairo_set_source_rgba(cairo,
-			(color >> (3*8) & 0xFF) / 255.0,
-			(color >> (2*8) & 0xFF) / 255.0,
-			(color >> (1*8) & 0xFF) / 255.0,
-			(color >> (0*8) & 0xFF) / 255.0);
-}
-
 void render_color(struct window *window, uint32_t color) {
 	cairo_set_source_u32(window->cairo, color);
 	cairo_paint(window->cairo);
diff --git a/wayland/cairo.c b/wayland/cairo.c
index 7462b10a..ba439d9d 100644
--- a/wayland/cairo.c
+++ b/wayland/cairo.c
@@ -1,6 +1,13 @@
-#include <cairo/cairo.h>
 #include "client/cairo.h"
 
+void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
+	cairo_set_source_rgba(cairo,
+			(color >> (3*8) & 0xFF) / 255.0,
+			(color >> (2*8) & 0xFF) / 255.0,
+			(color >> (1*8) & 0xFF) / 255.0,
+			(color >> (0*8) & 0xFF) / 255.0);
+}
+
 #ifdef WITH_GDK_PIXBUF
 #include <gdk-pixbuf/gdk-pixbuf.h>