diff --git a/src/main/java/org/spongepowered/asm/mixin/injection/callback/CallbackInjector.java b/src/main/java/org/spongepowered/asm/mixin/injection/callback/CallbackInjector.java
index 37e2b01ff..3ee3e8f0d 100644
--- a/src/main/java/org/spongepowered/asm/mixin/injection/callback/CallbackInjector.java
+++ b/src/main/java/org/spongepowered/asm/mixin/injection/callback/CallbackInjector.java
@@ -178,7 +178,7 @@ private class Callback extends InsnList {
             List<String> argNames = null;
             
             if (locals != null) {
-                int baseArgIndex = CallbackInjector.this.isStatic() ? 0 : 1;
+                int baseArgIndex = target.isStatic ? 0 : 1;
                 argNames = new ArrayList<String>();
                 for (int l = 0; l <= locals.length; l++) {
                     if (l == this.frameSize) {
diff --git a/src/main/java/org/spongepowered/asm/mixin/transformer/ClassInfo.java b/src/main/java/org/spongepowered/asm/mixin/transformer/ClassInfo.java
index 9e45c5355..35ebf244b 100644
--- a/src/main/java/org/spongepowered/asm/mixin/transformer/ClassInfo.java
+++ b/src/main/java/org/spongepowered/asm/mixin/transformer/ClassInfo.java
@@ -36,6 +36,7 @@
 
 import org.spongepowered.asm.logging.Level;
 import org.spongepowered.asm.logging.ILogger;
+import org.objectweb.asm.ClassReader;
 import org.objectweb.asm.Opcodes;
 import org.objectweb.asm.tree.AbstractInsnNode;
 import org.objectweb.asm.tree.ClassNode;
@@ -50,6 +51,7 @@
 import org.spongepowered.asm.mixin.Mutable;
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.MixinEnvironment.Option;
 import org.spongepowered.asm.mixin.extensibility.IMixinInfo;
 import org.spongepowered.asm.mixin.gen.Accessor;
 import org.spongepowered.asm.mixin.gen.Invoker;
@@ -2002,7 +2004,8 @@ public static ClassInfo forName(String className) {
         ClassInfo info = ClassInfo.cache.get(className);
         if (info == null) {
             try {
-                ClassNode classNode = MixinService.getService().getBytecodeProvider().getClassNode(className);
+                int flags = MixinEnvironment.getCurrentEnvironment().getOption(Option.CLASSREADER_EXPAND_FRAMES) ? ClassReader.EXPAND_FRAMES : 0;
+                ClassNode classNode = MixinService.getService().getBytecodeProvider().getClassNode(className, true, flags);
                 info = new ClassInfo(classNode);
             } catch (Exception ex) {
                 ClassInfo.logger.catching(Level.TRACE, ex);
diff --git a/src/main/java/org/spongepowered/asm/util/SignaturePrinter.java b/src/main/java/org/spongepowered/asm/util/SignaturePrinter.java
index 8e64ae984..220f7d5d6 100644
--- a/src/main/java/org/spongepowered/asm/util/SignaturePrinter.java
+++ b/src/main/java/org/spongepowered/asm/util/SignaturePrinter.java
@@ -148,14 +148,15 @@ public String getReturnType() {
      */
     public void setModifiers(MethodNode method) {
         String returnType = SignaturePrinter.getTypeName(Type.getReturnType(method.desc), false, this.fullyQualified);
+        String staticType = (method.access & Opcodes.ACC_STATIC) != 0 ? "static " : "";
         if ((method.access & Opcodes.ACC_PUBLIC) != 0) {
-            this.setModifiers("public " + returnType);
+            this.setModifiers("public " + staticType + returnType);
         } else if ((method.access & Opcodes.ACC_PROTECTED) != 0) {
-            this.setModifiers("protected " + returnType);
+            this.setModifiers("protected " + staticType + returnType);
         } else if ((method.access & Opcodes.ACC_PRIVATE) != 0) {
-            this.setModifiers("private " + returnType);
+            this.setModifiers("private " + staticType + returnType);
         } else {
-            this.setModifiers(returnType);
+            this.setModifiers(staticType + returnType);
         }
     }