diff --git a/base/src/main/java/proguard/ConfigurationWriter.java b/base/src/main/java/proguard/ConfigurationWriter.java
index 57406d51..8b506740 100644
--- a/base/src/main/java/proguard/ConfigurationWriter.java
+++ b/base/src/main/java/proguard/ConfigurationWriter.java
@@ -90,7 +90,10 @@ public class ConfigurationWriter implements AutoCloseable
      */
     public void write(Configuration configuration) throws IOException
     {
-        logger.info("Printing configuration to [{}]...", PrintWriterUtil.fileName(configuration.printConfiguration));
+        if (configuration.printConfiguration != null)
+        {
+            logger.info("Printing configuration to [{}]...", PrintWriterUtil.fileName(configuration.printConfiguration));
+        }
 
         // Write the program class path (input and output entries).
         writeJarOptions(ConfigurationConstants.INJARS_OPTION,
diff --git a/docs/md/manual/releasenotes.md b/docs/md/manual/releasenotes.md
index c5ca9b96..30fca35d 100644
--- a/docs/md/manual/releasenotes.md
+++ b/docs/md/manual/releasenotes.md
@@ -1,3 +1,9 @@
+## Version 7.2.2
+
+### Bug fixes
+
+- Fix "Can't save configuration file" error in ProGuardGUI. (`PGD-220`)
+
 ## Version 7.2.1
 
 ### Improved