diff --git a/spring-core/src/main/java/org/springframework/asm/Frame.java b/spring-core/src/main/java/org/springframework/asm/Frame.java
index cc24a0d6621..5a1dc2ffb15 100644
--- a/spring-core/src/main/java/org/springframework/asm/Frame.java
+++ b/spring-core/src/main/java/org/springframework/asm/Frame.java
@@ -1426,7 +1426,7 @@ class Frame {
       }
     } else {
       // Case of an array type, we need to build its descriptor first.
-      StringBuilder typeDescriptor = new StringBuilder();
+      StringBuilder typeDescriptor = new StringBuilder(32);  // SPRING PATCH: larger initial size
       while (arrayDimensions-- > 0) {
         typeDescriptor.append('[');
       }