diff --git a/pr2_navigation_perception/config/laser_interpolation.yaml b/pr2_navigation_perception/config/laser_interpolation.yaml
index de8484e..3bb1774 100644
--- a/pr2_navigation_perception/config/laser_interpolation.yaml
+++ b/pr2_navigation_perception/config/laser_interpolation.yaml
@@ -1,3 +1,3 @@
 scan_filter_chain:
 - name: interpolation
-  type: InterpolationFilter
+  type: laser_filters/InterpolationFilter
diff --git a/pr2_navigation_perception/config/shadow_filter.yaml b/pr2_navigation_perception/config/shadow_filter.yaml
index c8a35af..9790a98 100644
--- a/pr2_navigation_perception/config/shadow_filter.yaml
+++ b/pr2_navigation_perception/config/shadow_filter.yaml
@@ -1,13 +1,13 @@
 scan_filter_chain:
 - name: shadows
-  type: ScanShadowsFilter
+  type: laser_filters/ScanShadowsFilter
   params:
     min_angle: 10
     max_angle: 170
     neighbors: 20
     window: 1
 - name: dark_shadows
-  type: LaserScanIntensityFilter
+  type: laser_filters/LaserScanIntensityFilter
   params: 
     lower_threshold: 100
     upper_threshold: 10000
diff --git a/pr2_navigation_perception/config/tilt_laser_filters.yaml b/pr2_navigation_perception/config/tilt_laser_filters.yaml
index 245da1c..18f7db0 100644
--- a/pr2_navigation_perception/config/tilt_laser_filters.yaml
+++ b/pr2_navigation_perception/config/tilt_laser_filters.yaml
@@ -1,19 +1,19 @@
 scan_filter_chain:
 - name: shadows
-  type: ScanShadowsFilter
+  type: laser_filters/ScanShadowsFilter
   params:
     min_angle: 10
     max_angle: 170
     neighbors: 20
     window: 1
 - name: dark_shadows
-  type: LaserScanIntensityFilter
+  type: laser_filters/LaserScanIntensityFilter
   params: 
     lower_threshold: 100
     upper_threshold: 10000
     disp_histogram: 0
 - name: angular_bounds
-  type: LaserScanAngularBoundsFilter
+  type: laser_filters/LaserScanAngularBoundsFilter
   params:
     lower_angle: -1.22173048
     upper_angle: 1.22173048