diff --git a/processors/file-utils-ts/index.ttl b/processors/file-utils-ts/index.ttl
index 1918211..b3ef96f 100644
--- a/processors/file-utils-ts/index.ttl
+++ b/processors/file-utils-ts/index.ttl
@@ -10,9 +10,10 @@ rdfc:FileUtilsTS
   rdfc:description "Utility processors for interacting with the file system." ;
   rdfc:repo "https://github.com/rdf-connect/orchestrator.git" ;
   rdfc:license "MIT" ;
-  rdfc:prepare
-    "npm install" ,
-    "npm run build" ;
+  rdfc:prepare (
+    "npm install"
+    "npm run build"
+  ) ;
   rdfc:processors
     rdfc:FileReaderTS ,
     rdfc:FileWriterTS .
diff --git a/processors/shacl-validator-ts/index.ttl b/processors/shacl-validator-ts/index.ttl
index 748431c..6d8163c 100644
--- a/processors/shacl-validator-ts/index.ttl
+++ b/processors/shacl-validator-ts/index.ttl
@@ -10,9 +10,10 @@
   rdfc:description "A SHACL Validator processor, written in TypeScript." ;
   rdfc:repo "https://github.com/rdf-connect/orchestrator.git" ;
   rdfc:license "MIT" ;
-  rdfc:prepare
-    "npm install" ,
-    "npm run build" ;
+  rdfc:prepare (
+    "npm install"
+    "npm run build"
+  ) ;
   rdfc:processors rdfc:SHACLValidatorTS .
 
 rdfc:SHACLValidatorTS
diff --git a/runners/nodejs/index.ttl b/runners/nodejs/index.ttl
index 02f5f62..ef78289 100644
--- a/runners/nodejs/index.ttl
+++ b/runners/nodejs/index.ttl
@@ -7,9 +7,10 @@ rdfc:NodePackage
   rdfc:description "A gRPC based Node.js runner." ;
   rdfc:repo "https://github.com/rdf-connect/orchestrator" ;
   rdfc:license "MIT" ;
-  rdfc:prepare
-    "npm install" ,
-    "npm run build" ;
+  rdfc:prepare (
+    "npm install"
+    "npm run build"
+  ) ;
   rdfc:runners rdfc:NodeRunner .
 
 rdfc:NodeRunner
diff --git a/src/main/kotlin/parser/impl/JenaParser.kt b/src/main/kotlin/parser/impl/JenaParser.kt
index f8420ba..30a5c0e 100644
--- a/src/main/kotlin/parser/impl/JenaParser.kt
+++ b/src/main/kotlin/parser/impl/JenaParser.kt
@@ -299,6 +299,18 @@ private fun Model.parseDependencies(pipeline: Resource?): List<IRDependency> {
   }
 }
 
+private fun Model.getCollection(resource: Resource): List<RDFNode> {
+  val first =
+      objectOfProperty(resource, RDF.first) ?: Log.shared.fatal("No first element: $resource")
+  val rest = objectOfProperty(resource, RDF.rest) ?: Log.shared.fatal("No rest element: $resource")
+
+  return if (rest != RDF.nil) {
+    listOf(first) + getCollection(rest.asResource())
+  } else {
+    listOf(first)
+  }
+}
+
 private fun Model.parsePackage(directory: File, pkg: Resource): IRPackage {
   Log.shared.debug("Parsing package: $pkg")
 
@@ -315,7 +327,13 @@ private fun Model.parsePackage(directory: File, pkg: Resource): IRPackage {
         parseRunner(directory, it.asResource())
       }
 
-  val prepare = listObjectsOfProperty(pkg, RDFC.prepare).toList().map { it.toString() }
+  val prepareCollection = objectOfProperty(pkg, RDFC.prepare)
+  val prepare =
+      if (prepareCollection != null) {
+        getCollection(prepareCollection.asResource()).map { it.toString() }
+      } else {
+        emptyList()
+      }
 
   // Parse the properties to strings if required, and return the package IR.
   return IRPackage(
diff --git a/src/test/kotlin/parser/ParserTest.kt b/src/test/kotlin/parser/ParserTest.kt
index 79ec102..2d6e947 100644
--- a/src/test/kotlin/parser/ParserTest.kt
+++ b/src/test/kotlin/parser/ParserTest.kt
@@ -37,8 +37,11 @@ class ParserTest {
     assertEquals("A simple description.", pkg.description)
     assertEquals("https://example.com.git", pkg.repo)
     assertEquals("MIT", pkg.license)
-    assertEquals(1, pkg.prepare?.size)
+    assertEquals(4, pkg.prepare?.size)
     assertEquals("make", pkg.prepare?.get(0))
+    assertEquals("make install", pkg.prepare?.get(1))
+    assertEquals("make test", pkg.prepare?.get(2))
+    assertEquals("make clean", pkg.prepare?.get(3))
 
     // Check the processors.
     assertEquals(1, pkg.processors.size)
diff --git a/src/test/resources/packages/dummy/index.ttl b/src/test/resources/packages/dummy/index.ttl
index 68761ec..c2583f7 100644
--- a/src/test/resources/packages/dummy/index.ttl
+++ b/src/test/resources/packages/dummy/index.ttl
@@ -16,6 +16,11 @@ test:DummyPackage
   rdfc:description "A simple description." ;
   rdfc:repo "https://example.com.git" ;
   rdfc:license "MIT" ;
-  rdfc:prepare "make" ;
+  rdfc:prepare (
+    "make"
+    "make install"
+    "make test"
+    "make clean"
+  ) ;
   rdfc:processors test:DummyProcessor ;
   rdfc:runners test:DummyRunner .