diff --git a/prism/src/prism/Prism.java b/prism/src/prism/Prism.java
index 1a0d305d..8be951d1 100644
--- a/prism/src/prism/Prism.java
+++ b/prism/src/prism/Prism.java
@@ -879,6 +879,25 @@ public class Prism implements PrismSettingsListener
 		return parseModelString(modelString);
 	}
 
+	/**
+	 * Import a PRISM model from a PRISM preprocessor file
+	 */
+	public ModulesFile importPrismPreprocFile(File file, String params[]) throws PrismException
+	{
+		String modelString;
+		
+		// Compile preprocessor file to a string
+		Preprocessor pp = new Preprocessor(this, file);
+		pp.setParameters(params);
+		modelString = pp.preprocess();
+		if (modelString == null) {
+			throw new PrismException("No preprocessing information");
+		}
+		
+		// Parse string as PRISM model and return
+		return parseModelString(modelString);
+	}
+	
 	// parse properties from file
 	// nb: need to pass in modules file to access its constants
 	//     but if its null, we just create a blank one for you.
diff --git a/prism/src/prism/PrismCL.java b/prism/src/prism/PrismCL.java
index 95c5d6fc..225ef710 100644
--- a/prism/src/prism/PrismCL.java
+++ b/prism/src/prism/PrismCL.java
@@ -43,6 +43,7 @@ public class PrismCL
 	private boolean verbose;
 	private boolean fixdl = false;
 	private boolean importpepa = false;
+	private boolean importprismpp = false;
 	private boolean importtrans = false;
 	private boolean importstates = false;
 	private boolean importlabels = false;
@@ -86,6 +87,9 @@ public class PrismCL
 	// argument to -simpath switch
 	private String simpathDetails = null;
 
+	// argument to -importprismpp switch
+	private String prismppParams = null;
+
 	// files/filenames
 	private String mainLogFilename = "stdout";
 	private String techLogFilename = "stdout";
@@ -525,6 +529,10 @@ public class PrismCL
 			if (importpepa) {
 				mainLog.print("\nImporting PEPA file \"" + modelFilename + "\"...\n");
 				modulesFile = prism.importPepaFile(new File(modelFilename));
+			} else if (importprismpp) {
+				mainLog.print("\nImporting PRISM preprocessor file \"" + modelFilename + "\"...\n");
+				String prismppParamsList[] = ("? " + prismppParams).split(" ");
+				modulesFile = prism.importPrismPreprocFile(new File(modelFilename), prismppParamsList);
 			} else if (importtrans) {
 				mainLog.print("\nImporting model (");
 				mainLog.print(typeOverride == null ? "MDP" : typeOverride);
@@ -1130,6 +1138,15 @@ public class PrismCL
 				else if (sw.equals("importpepa")) {
 					importpepa = true;
 				}
+				// Import model from PRISM preprocessor
+				else if (sw.equals("importprismpp")) {
+					if (i < args.length - 1) {
+						importprismpp = true;
+						prismppParams = args[++i];
+					} else {
+						errorAndExit("No parameters specified for -" + sw + " switch");
+					}
+				}
 				// import model from explicit format
 				else if (sw.equals("importtrans")) {
 					importtrans = true;