diff --git a/deobfuscator-api/src/main/java/org/objectweb/asm/tree/analysis/OriginalSourceInterpreter.java b/deobfuscator-api/src/main/java/org/objectweb/asm/tree/analysis/OriginalSourceInterpreter.java
index 6bdb83f..ef7519a 100644
--- a/deobfuscator-api/src/main/java/org/objectweb/asm/tree/analysis/OriginalSourceInterpreter.java
+++ b/deobfuscator-api/src/main/java/org/objectweb/asm/tree/analysis/OriginalSourceInterpreter.java
@@ -27,6 +27,7 @@
 // THE POSSIBILITY OF SUCH DAMAGE.
 package org.objectweb.asm.tree.analysis;
 
+import org.objectweb.asm.ConstantDynamic;
 import org.objectweb.asm.Opcodes;
 import org.objectweb.asm.Type;
 import org.objectweb.asm.tree.AbstractInsnNode;
@@ -90,8 +91,22 @@ public OriginalSourceValue newOperation(final AbstractInsnNode insn) {
         size = 2;
         break;
       case LDC:
+        // Values able to be pushed by LDC:
+        //   - int, float, string (object), type (Class, object), type (MethodType, object),
+        //       handle (MethodHandle, object): one word
+        //   - long, double, ConstantDynamic (can produce either single word values, or double word
+        //       values): (up to) two words
         Object value = ((LdcInsnNode) insn).cst;
-        size = value instanceof Long || value instanceof Double ? 2 : 1;
+        if (value instanceof Long || value instanceof Double) {
+          // two words guaranteed
+          size = 2;
+        } else if (value instanceof ConstantDynamic) {
+          // might yield two words
+          size = ((ConstantDynamic) value).getSize();
+        } else {
+          // one word guaranteed
+          size = 1;
+        }
         break;
       case GETSTATIC:
         size = Type.getType(((FieldInsnNode) insn).desc).getSize();