diff --git a/src/main/org/apache/tools/ant/taskdefs/Javac.java b/src/main/org/apache/tools/ant/taskdefs/Javac.java
index 6423946d8..9f40419d3 100644
--- a/src/main/org/apache/tools/ant/taskdefs/Javac.java
+++ b/src/main/org/apache/tools/ant/taskdefs/Javac.java
@@ -571,12 +571,12 @@ public class Javac extends MatchingTask {
             classpath.append(bootclasspath);
         }
 
-        classpath.append(getCompileClasspath(true));
-
         // Jikes doesn't support an extension dir (-extdir)
         // so we'll emulate it for compatibility and convenience.
         addExtdirsToClasspath(classpath);
 
+        classpath.append(getCompileClasspath(true));
+
         // Jikes has no option for source-path so we
         // will add it to classpath.
         classpath.append(src);
@@ -765,12 +765,12 @@ public class Javac extends MatchingTask {
             classpath.append(bootclasspath);
         }
 
-        classpath.append(getCompileClasspath(true));
-
         // jvc doesn't support an extension dir (-extdir)
         // so we'll emulate it for compatibility and convenience.
         addExtdirsToClasspath(classpath);
 
+        classpath.append(getCompileClasspath(true));
+
         // jvc has no option for source-path so we
         // will add it to classpath.
         classpath.append(src);