diff --git a/framework/projects/Lang/Lang.build.xml b/framework/projects/Lang/Lang.build.xml
index 448ab3954..203ee0291 100644
--- a/framework/projects/Lang/Lang.build.xml
+++ b/framework/projects/Lang/Lang.build.xml
@@ -72,6 +72,7 @@ of the checked-out project version.
         <pathelement path="${asm.jar}" />
         <pathelement path="${easymock.jar}" />
         <pathelement path="${commons-io.jar}" />
+        <pathelement path="${hamcrest.jar}" />
         <pathelement path="${junit.jar}" />
     </path>
 </project>
diff --git a/framework/projects/defects4j.build.xml b/framework/projects/defects4j.build.xml
index e1839b26e..87af7ab3f 100644
--- a/framework/projects/defects4j.build.xml
+++ b/framework/projects/defects4j.build.xml
@@ -47,6 +47,7 @@ project-specific build file ("project_id"/"project_id".build.xml) for the
 
     <!-- Dependencies used by all projects -->
     <property name="junit.jar"  value="${d4j.home}/framework/projects/lib/junit-4.12.jar"/>
+    <property name="hamcrest.jar" value="${d4j.home}/framework/projects/lib/hamcrest-core-1.3.jar"/>
     <property name="cobertura.jar" value="${d4j.home}/framework/projects/lib/cobertura-2.0.3.jar"/>
 
     <!-- Location of libraries of test generation tool-->