diff --git a/interface/src/ui/overlays/Line3DOverlay.cpp b/interface/src/ui/overlays/Line3DOverlay.cpp
index 87021cf852..69f52c5f2e 100644
--- a/interface/src/ui/overlays/Line3DOverlay.cpp
+++ b/interface/src/ui/overlays/Line3DOverlay.cpp
@@ -278,9 +278,10 @@ Transform Line3DOverlay::evalRenderTransform() {
     auto endPos = getEnd();
 
     auto vec = endPos - transform.getTranslation();
-    auto scale = glm::length(vec);
+    const float MIN_LINE_LENGTH = 0.0001f;
+    auto scale = glm::max(glm::length(vec), MIN_LINE_LENGTH);
     auto dir = vec / scale;
-    auto orientation = glm::rotation(glm::vec3(0,0,-1), dir);
+    auto orientation = glm::rotation(glm::vec3(0.0f, 0.0f, -1.0f), dir);
     transform.setRotation(orientation);
     transform.setScale(scale);
 
diff --git a/interface/src/ui/overlays/Volume3DOverlay.cpp b/interface/src/ui/overlays/Volume3DOverlay.cpp
index 5be3247cec..8aa8490937 100644
--- a/interface/src/ui/overlays/Volume3DOverlay.cpp
+++ b/interface/src/ui/overlays/Volume3DOverlay.cpp
@@ -45,7 +45,19 @@ void Volume3DOverlay::setProperties(const QVariantMap& properties) {
     }
 
     if (dimensions.isValid()) {
-        setDimensions(vec3FromVariant(dimensions));
+        glm::vec3 scale = vec3FromVariant(dimensions);
+        // don't allow a zero or negative dimension component to reach the renderTransform
+        const float MIN_DIMENSION = 0.0001f;
+        if (scale.x < MIN_DIMENSION) {
+            scale.x = MIN_DIMENSION;
+        }
+        if (scale.y < MIN_DIMENSION) {
+            scale.y = MIN_DIMENSION;
+        }
+        if (scale.z < MIN_DIMENSION) {
+            scale.z = MIN_DIMENSION;
+        }
+        setDimensions(scale);
     }
 }