diff --git a/java/src/processing/mode/java/pdex/PDEX.java b/java/src/processing/mode/java/pdex/PDEX.java
index 9f84ccbcf..52280c0e4 100644
--- a/java/src/processing/mode/java/pdex/PDEX.java
+++ b/java/src/processing/mode/java/pdex/PDEX.java
@@ -1290,6 +1290,7 @@ public class PDEX {
 
 
     static public String[] getImportSuggestions(ClassPath cp, String className) {
+      className = className.replace("[", "\\[").replace("]", "\\]");
       RegExpResourceFilter regf = new RegExpResourceFilter(
           Pattern.compile(".*"),
           Pattern.compile("(.*\\$)?" + className + "\\.class",