diff --git a/build.xml b/build.xml
index c3de71e571..c62440eb99 100644
--- a/build.xml
+++ b/build.xml
@@ -148,7 +148,7 @@
     <mkdir dir="${basedir}/target" />
     <path id="server.classpath">
       <pathelement path="${mcp.home}/jars/libraries/net/minecraft/launchwrapper/1.3/launchwrapper-1.3.jar"/>
-      <pathelement path="${mcp.home}/jars/libraries/org/ow2/asm/asm-all/4.1/asm-all-4.1.jar"/>
+      <pathelement path="${mcp.home}/jars/libraries/org/ow2/asm/asm-debug-all/4.1/asm-debug-all-4.1.jar"/>
       <pathelement path="${mcp.home}/jars/libraries/lzma/lzma/0.0.1/lzma-0.0.1.jar"/>
       <pathelement path="${mcp.home}/jars/libraries/net/sf/jopt-simple/jopt-simple/4.5/jopt-simple-4.5.jar"/>
       <pathelement path="${mcp.home}/jars/minecraft_server.${version.minecraft}.jar"/>
@@ -432,7 +432,7 @@
   <target name="makebinpatches" depends="buildenvsetup,makeversion">
     <path id="diffset.libs">
       <pathelement path="${mcp.home}/jars/libraries/com/google/guava/guava/14.0/guava-14.0.jar"/>
-      <pathelement path="${mcp.home}/jars/libraries/org/ow2/asm/asm-all/4.1/asm-all-4.1.jar"/>
+      <pathelement path="${mcp.home}/jars/libraries/org/ow2/asm/asm-debug-all/4.1/asm-debug-all-4.1.jar"/>
       <pathelement path="${mcp.home}/jars/libraries/lzma/lzma/0.0.1/lzma-0.0.1.jar"/>
       <pathelement path="${mcp.obfoutput}/minecraft"/>
     </path>
diff --git a/eclipse-workspace-dev.zip b/eclipse-workspace-dev.zip
index 9540311372..0bdd7624b9 100644
Binary files a/eclipse-workspace-dev.zip and b/eclipse-workspace-dev.zip differ
diff --git a/install/eclipse/Minecraft/.classpath b/install/eclipse/Minecraft/.classpath
index 5a691c93a4..b84e4f4734 100644
--- a/install/eclipse/Minecraft/.classpath
+++ b/install/eclipse/Minecraft/.classpath
@@ -3,7 +3,7 @@
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
-	<classpathentry kind="lib" path="jars/libraries/org/ow2/asm/asm-all/4.1/asm-all-4.1.jar" sourcepath="jars/libraries/org/ow2/asm/asm-all/4.1/asm-all-4.1-sources.jar"/>
+	<classpathentry kind="lib" path="jars/libraries/org/ow2/asm/asm-debug-all/4.1/asm-debug-all-4.1.jar" sourcepath="jars/libraries/org/ow2/asm/asm-debug-all/4.1/asm-debug-all-4.1-sources.jar"/>
 	<classpathentry kind="lib" path="jars/libraries/net/minecraft/launchwrapper/1.3/launchwrapper-1.3.jar"/>
 	<classpathentry kind="lib" path="jars/versions/1.6.2/1.6.2.jar">
 		<attributes>