diff --git a/org.eclipse.buildship.core.test/src/main/groovy/org/eclipse/buildship/core/internal/marker/GradleErrorMarkerTest.groovy b/org.eclipse.buildship.core.test/src/main/groovy/org/eclipse/buildship/core/internal/marker/GradleErrorMarkerTest.groovy
index d4e12ffe6..947a059a8 100644
--- a/org.eclipse.buildship.core.test/src/main/groovy/org/eclipse/buildship/core/internal/marker/GradleErrorMarkerTest.groovy
+++ b/org.eclipse.buildship.core.test/src/main/groovy/org/eclipse/buildship/core/internal/marker/GradleErrorMarkerTest.groovy
@@ -11,6 +11,8 @@ package org.eclipse.buildship.core.internal.marker
 
 import org.gradle.tooling.BuildException
 
+import org.eclipse.core.resources.IMarker
+
 import org.eclipse.buildship.core.internal.test.fixtures.ProjectSynchronizationSpecification
 
 class GradleErrorMarkerTest extends ProjectSynchronizationSpecification {
@@ -120,4 +122,36 @@ class GradleErrorMarkerTest extends ProjectSynchronizationSpecification {
         findProject('sub')
         numOfGradleErrorMarkers == 0
     }
+
+
+    def "Convers problem reports to error markers"() {
+        setup:
+        File projectDir = dir('error-marker-test') {
+            file 'build.gradle', '''
+                import org.gradle.api.internal.GradleInternal
+                import org.gradle.api.problems.Problems
+                import org.gradle.api.problems.Severity
+
+                def gradleInternal = gradle as GradleInternal
+                def problems = gradleInternal.services.get(Problems)
+
+                problems.forNamespace('buildscript').reporting {
+                    it.label("Problem label")
+                        .category('deprecation', 'plugin')
+                        .severity(Severity.WARNING)
+                        .solution("Please use 'standard-plugin-2' instead of this plugin")
+                }
+            /**/
+            '''
+        }
+
+        when:
+        importAndWait(projectDir)
+
+        then:
+        numOfGradleErrorMarkers == 1
+        gradleErrorMarkers[0].getAttribute(IMarker.MESSAGE) == 'Problem label'
+        gradleErrorMarkers[0].getAttribute(GradleErrorMarker.ATTRIBUTE_PROBLEM_CATEGORY) == 'buildscript:deprecation:plugin'
+
+    }
 }
diff --git a/org.eclipse.buildship.core/src/main/java/org/eclipse/buildship/core/internal/util/progress/ProblemsReportingProgressListener.java b/org.eclipse.buildship.core/src/main/java/org/eclipse/buildship/core/internal/util/progress/ProblemsReportingProgressListener.java
index 5e7a5e675..4f3abe5ce 100644
--- a/org.eclipse.buildship.core/src/main/java/org/eclipse/buildship/core/internal/util/progress/ProblemsReportingProgressListener.java
+++ b/org.eclipse.buildship.core/src/main/java/org/eclipse/buildship/core/internal/util/progress/ProblemsReportingProgressListener.java
@@ -117,7 +117,7 @@ private static IResource toResource(FileLocation location) {
         IPath absolutePath = Path.fromOSString(location.getPath());
         IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
         IFile workspacePath = workspaceRoot.getFileForLocation(absolutePath);
-        if (workspacePath.exists()) {
+        if (workspacePath != null && workspacePath.exists()) {
             return workspacePath;
         }
         return ResourcesPlugin.getWorkspace().getRoot();