diff --git a/.github/actions/install_deps.sh b/.github/actions/install_deps.sh
index 991f2e1fb..816856f65 100755
--- a/.github/actions/install_deps.sh
+++ b/.github/actions/install_deps.sh
@@ -1,7 +1,7 @@
 case `echo $1 | cut -d '-' -f 1` in
         ubuntu)
                 sudo apt-get -qq update
-                sudo apt-get install -yq bison libpng-dev pkg-config libsdl2-dev
+                sudo apt-get install -yq bison libpng-dev pkg-config libsdl2-dev libgdk-pixbuf2.0-dev
                 (
                 cd `mktemp -d`
                 curl -L https://github.com/rednex/rgbds/archive/v0.6.0.zip > rgbds.zip
diff --git a/Makefile b/Makefile
index 6547c75e5..938ef6f87 100644
--- a/Makefile
+++ b/Makefile
@@ -850,7 +850,7 @@ $(LIBDIR)/libsameboy.$(DL_EXT): $(CORE_OBJECTS)
 	$(CC) $(LDFLAGS) -shared $(FAT_FLAGS) $(CFLAGS) $^ -o $@
 ifeq ($(CONF), release)
 	$(STRIP) $@
-	$(CODESIGN)$@
+	$(CODESIGN) $@
 endif
 
 $(PKGCONF_FILE): sameboy.pc.in