diff --git a/src/main/java/org/gradlex/javamodule/dependencies/tasks/ModuleDirectivesScopeCheck.java b/src/main/java/org/gradlex/javamodule/dependencies/tasks/ModuleDirectivesScopeCheck.java
index c5228c6f..efa695e2 100644
--- a/src/main/java/org/gradlex/javamodule/dependencies/tasks/ModuleDirectivesScopeCheck.java
+++ b/src/main/java/org/gradlex/javamodule/dependencies/tasks/ModuleDirectivesScopeCheck.java
@@ -134,7 +134,13 @@ private String declaration(String conf, String coordinates, Set<String> capabili
         ResolvedArtifactResult moduleJar = getModuleArtifacts().get().stream().flatMap(c -> c.getArtifacts().stream()).filter(a ->
                 coordinatesEquals(coordinates, capability, a)).findFirst().orElse(null);
         try {
-            String moduleName = moduleJar == null ? coordinates : readModuleNameFromJarFile(moduleJar.getFile());
+            String moduleName = null;
+            if (moduleJar != null) {
+                moduleName = readModuleNameFromJarFile(moduleJar.getFile());
+            }
+            if (moduleName == null) {
+                moduleName = coordinates;
+            }
             if (inBuildFile) {
                 return directive(conf, SCOPES_TO_DIRECTIVES_BUILD_FILE_DSL) + "(\"" + moduleName + "\")";
             } else {