diff --git a/osx/makebundle.sh b/osx/makebundle.sh
index 239a31a7..7b775713 100755
--- a/osx/makebundle.sh
+++ b/osx/makebundle.sh
@@ -98,6 +98,19 @@ else
     perl -0pi -e 's|(/immodules/)\*\.dylib|$1*.so|g; s|(/printbackends/)\*\.dylib|$1*.so|g; s|(/loaders/)\*\.dylib|$1*.so|g' "$BUNDLE_DEF"
 fi
 
+# Some staged builds omit GTK runtime module directories entirely
+# (for example stripped-down CI artifacts). Remove bundle entries for
+# missing globs so gtk-mac-bundler does not abort.
+if ! find "$BUNDLE_PREFIX/lib/gtk-3.0" -type f -path "*/immodules/*.${GTK_MODULE_EXT}" -print -quit 2>/dev/null | grep -q .; then
+    perl -0pi -e 's|\n\s*<binary>\s*\$\{prefix\}/lib/\$\{gtkdir\}/\$\{pkg:\$\{gtk\}:gtk_binary_version\}/immodules/\*\.(?:so|dylib)\s*</binary>\n|\n|g' "$BUNDLE_DEF"
+fi
+if ! find "$BUNDLE_PREFIX/lib/gtk-3.0" -type f -path "*/printbackends/*.${GTK_MODULE_EXT}" -print -quit 2>/dev/null | grep -q .; then
+    perl -0pi -e 's|\n\s*<binary>\s*\$\{prefix\}/lib/\$\{gtkdir\}/\$\{pkg:\$\{gtk\}:gtk_binary_version\}/printbackends/\*\.(?:so|dylib)\s*</binary>\n|\n|g' "$BUNDLE_DEF"
+fi
+if ! find "$BUNDLE_PREFIX/lib/gdk-pixbuf-2.0" -type f -path "*/loaders/*.${GTK_MODULE_EXT}" -print -quit 2>/dev/null | grep -q .; then
+    perl -0pi -e 's|\n\s*<binary>\s*\$\{prefix\}/lib/gdk-pixbuf-2\.0/\$\{pkg:gdk-pixbuf-2\.0:gdk_pixbuf_binary_version\}/loaders/\*\.(?:so|dylib)\s*</binary>\n|\n|g' "$BUNDLE_DEF"
+fi
+
 
 # Keep Info.plist generation deterministic by always rendering from template
 # using a single, explicit version source.