diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5b26d99..9c73fd4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@
 
 * Upgraded `astropy` to 6.0.0. The docker image now tries (but continues if it fails) to update the `astropy-iers-data` package before running the actor and internally `lvmguider` should never try to download IERS data over the internet.
 
+### 🔧 Fixed
+
+* Fixed `pandas` deprecation in `lvmguider.extraction`.
+
 
 ## 0.4.1 - November 5, 2023
 
diff --git a/src/lvmguider/extraction.py b/src/lvmguider/extraction.py
index 6dcb4c3..c57929c 100644
--- a/src/lvmguider/extraction.py
+++ b/src/lvmguider/extraction.py
@@ -533,7 +533,7 @@ def extract_sources(filename: str | pathlib.Path, subtract_dark: bool = True):
 
     xy = sources.loc[:, ["x", "y"]].to_numpy()
     ff_locs, _ = ag_to_full_frame(f"{telescope}-{camname[0]}", xy)
-    sources.loc[:, ["x_ff", "z_ff"]] = ff_locs
+    sources.loc[:, ["x_ff", "z_ff"]] = numpy.array(ff_locs, dtype="float32")
 
     hdul.close()