diff --git a/refine b/refine
index 7b93955c1..b4e33c1cd 100755
--- a/refine
+++ b/refine
@@ -353,6 +353,23 @@ launch4j_prepare() {
     
     tool_download $LAUNCH4J_URL $LAUNCH4J_FILE $LAUNCH4J_DIR
 
+    # Workaround: launch4j 3.0.2 & earlier does not work on versions of MacOS
+    # without PPC support (e.g. Lion) so we patch it to include Intel binaries; 
+    # the following lines can be removed once we update to a version of 
+    # launch4j that fixes the issue (not available yet).
+    # (3.1.0-beta1 fixes this, but introduces other bugs which make it unusable)
+    if [ "$OS" = "macosx" ] ; then
+        if [ ! -f "$REFINE_TOOLS_DIR/launch4j/bin/windres.bak" ] ; then
+            mv "$REFINE_TOOLS_DIR/launch4j/bin/windres" "$REFINE_TOOLS_DIR/launch4j/bin/windres.bak"
+            download "http://launch4j.cvs.sourceforge.net/viewvc/launch4j/launch4j/bin/bin-macosx-x86/windres" $REFINE_TOOLS_DIR/launch4j/bin/windres
+            chmod +x "$REFINE_TOOLS_DIR/launch4j/bin/windres"
+        fi
+        if [ ! -f "$REFINE_TOOLS_DIR/launch4j/bin/ld.bak" ] ; then
+            mv "$REFINE_TOOLS_DIR/launch4j/bin/ld" "$REFINE_TOOLS_DIR/launch4j/bin/ld.bak"
+            download "http://launch4j.cvs.sourceforge.net/viewvc/launch4j/launch4j/bin/bin-macosx-x86/ld" $REFINE_TOOLS_DIR/launch4j/bin/ld
+            chmod +x "$REFINE_TOOLS_DIR/launch4j/bin/ld"
+        fi
+    fi
 }
     
 jarbundler_prepare() {