diff --git a/src/ooxml/java/org/apache/poi/xslf/usermodel/RenderableShape.java b/src/ooxml/java/org/apache/poi/xslf/usermodel/RenderableShape.java
index 053ccd491..e3804413a 100644
--- a/src/ooxml/java/org/apache/poi/xslf/usermodel/RenderableShape.java
+++ b/src/ooxml/java/org/apache/poi/xslf/usermodel/RenderableShape.java
@@ -576,7 +576,7 @@ class RenderableShape {
 
                 public Guide getAdjustValue(String name) {
                     CTPresetGeometry2D prst = _shape.getSpPr().getPrstGeom();
-                    if (prst.isSetAvLst()) {
+                    if (prst != null && prst.isSetAvLst()) {
                         for (CTGeomGuide g : prst.getAvLst().getGdArray()) {
                             if (g.getName().equals(name)) {
                                 return new Guide(g);
diff --git a/test-data/slideshow/ae.ac.uaeu.faculty_nafaachbili_GeomLec1.pptx b/test-data/slideshow/ae.ac.uaeu.faculty_nafaachbili_GeomLec1.pptx
new file mode 100644
index 000000000..ca9d7919c
Binary files /dev/null and b/test-data/slideshow/ae.ac.uaeu.faculty_nafaachbili_GeomLec1.pptx differ