diff --git a/src/aare/daq/operations/raster/service.py b/src/aare/daq/operations/raster/service.py
index 3e5b47a8..31129448 100644
--- a/src/aare/daq/operations/raster/service.py
+++ b/src/aare/daq/operations/raster/service.py
@@ -686,7 +686,7 @@ class RasterService:
         grid.grid_size_mm = r.grid_size_mm
         grid.n_x = r.n_x
         grid.n_y = r.n_y
-        grid.file_prefix = f"{old_prefix}_{grid.omega_deg}deg"
+        grid.file_prefix = f"{old_prefix}_raster2d"
         grid.omega_deg = geom.omega_deg
 
         status = self.ctx.status
@@ -722,7 +722,7 @@ class RasterService:
         self.ctx.deps.devs.aerotech_omega = grid.omega_deg
 
         grid.n_x = 1
-        grid.file_prefix = f"{old_prefix}_{grid.omega_deg}deg"
+        grid.file_prefix = f"{old_prefix}_raster1d"
         geom = self.ctx.sample_geometry
         grid.grid_size_mm = Coordinate(x=geom.beam_size_mm.x, y=geom.beam_size_mm.y * 0.25)
         grid.smargon_top_left, grid.n_y = self.auto_center_line_scan_top_left(
@@ -747,7 +747,7 @@ class RasterService:
         )
 
         status = self.ctx.status
-        self.logger.info(f"initialise detector for raster at {grid.omega_deg}")
+        self.logger.info(f"initialise detector for raster at {grid.omega_deg:.2f}")
         self.ctx.deps.jfjoch.measure_raster(grid, status)
         self.logger.info("detector initialised")