diff --git a/src/examples/plot_observability.py b/src/examples/plot_observability.py
index 8453b29..f0f1bf1 100644
--- a/src/examples/plot_observability.py
+++ b/src/examples/plot_observability.py
@@ -64,7 +64,9 @@
 
     # if we cannot compute mag, set the mag to NAN and keep moving
     if obj.h_mag is not None:
-        mag = neospy.flux.hg_apparent_mag(sun2obj, sun2obs, g_phase, obj.h_mag)
+        mag = neospy.flux.hg_apparent_mag(
+            sun2obj=sun2obj, sun2obs=sun2obs, h_mag=obj.h_mag, g_param=g_phase
+        )
         mag = np.clip(mag, -1000, 1000)
     else:
         mag = np.nan
diff --git a/src/examples/plot_phases.py b/src/examples/plot_phases.py
index a5d343e..b2c9d00 100644
--- a/src/examples/plot_phases.py
+++ b/src/examples/plot_phases.py
@@ -39,10 +39,10 @@
     obj2earth = sun2earth - sun2obj
     mags.append(
         neospy.flux.hg_apparent_mag(
-            sun2obj,
-            sun2earth,
-            neo_subset.h_mag.iloc[i],
-            neo_subset.g_phase.iloc[i],
+            sun2obj=sun2obj,
+            sun2obs=sun2earth,
+            h_mag=neo_subset.h_mag.iloc[i],
+            g_param=neo_subset.g_phase.iloc[i],
         )
     )
 
diff --git a/src/examples/plot_uncertainty.py b/src/examples/plot_uncertainty.py
index 53a4c04..3f68070 100644
--- a/src/examples/plot_uncertainty.py
+++ b/src/examples/plot_uncertainty.py
@@ -51,7 +51,12 @@
 for jd in jds:
     states = neospy.propagate_n_body(states, jd)
     earth = neospy.SpiceKernels.state("earth", jd)
-    m = [neospy.flux.hg_apparent_mag(x.pos, earth.pos, g, obj.h_mag) for x in states]
+    m = [
+        neospy.flux.hg_apparent_mag(
+            sun2obj=x.pos, sun2obs=earth.pos, h_mag=obj.h_mag, g_param=g
+        )
+        for x in states
+    ]
     mags.append(m)
 
 # Find the step where the median magnitude was the brightest