diff --git a/projects/javassist/Dockerfile b/projects/javassist/Dockerfile
index 30741bb18..ca66349ab 100644
--- a/projects/javassist/Dockerfile
+++ b/projects/javassist/Dockerfile
@@ -26,4 +26,5 @@ RUN git clone --depth 1 https://github.com/jboss-javassist/javassist.git
 
 COPY build.sh $SRC/
 COPY ClassFuzzer.java $SRC/
+COPY pom.xml.diff $SRC/javassist
 WORKDIR $SRC/javassist
diff --git a/projects/javassist/build.sh b/projects/javassist/build.sh
index b7c44e187..b4890d069 100644
--- a/projects/javassist/build.sh
+++ b/projects/javassist/build.sh
@@ -15,6 +15,13 @@
 #
 ################################################################################
 
+git apply pom.xml.diff
+mv ./src/main ./src/java
+mkdir ./src/main
+mv ./src/java ./src/main/java
+mv ./src/test ./src/java
+mkdir ./src/test
+mv ./src/java ./src/test/java
 
 MAVEN_ARGS="-Djavac.src.version=15 -Djavac.target.version=15 -DskipTests"
 $MVN package org.apache.maven.plugins:maven-shade-plugin:3.2.4:shade $MAVEN_ARGS
diff --git a/projects/javassist/pom.xml.diff b/projects/javassist/pom.xml.diff
new file mode 100644
index 000000000..8e3c6c12f
--- /dev/null
+++ b/projects/javassist/pom.xml.diff
@@ -0,0 +1,15 @@
+diff --git a/pom.xml b/pom.xml
+index a604e16..52c8a7b 100644
+--- a/pom.xml
++++ b/pom.xml
+@@ -138,8 +138,8 @@
+     </snapshotRepository>
+   </distributionManagement>
+   <build>
+-    <sourceDirectory>src/main/</sourceDirectory>
+-    <testSourceDirectory>src/test/</testSourceDirectory>
++    <sourceDirectory>src/main/java/</sourceDirectory>
++    <testSourceDirectory>src/test/java/</testSourceDirectory>
+     <testResources>
+       <testResource>
+         <directory>src/test/resources</directory>