diff --git a/rtengine/camconst.json b/rtengine/camconst.json
index 22270bfe2..0a34b4436 100644
--- a/rtengine/camconst.json
+++ b/rtengine/camconst.json
@@ -1433,7 +1433,7 @@ Camera constants:
     },
     
     { // Quality B
-        "make_model": [ "FUJIFILM X-T30", "FUJIFILM X100V", "FUJIFILM X-T4" ],
+        "make_model": [ "FUJIFILM X-T30", "FUJIFILM X100V", "FUJIFILM X-T4", "FUJIFILM X-S10" ],
         "dcraw_matrix": [ 13426,-6334,-1177,-4244,12136,2371,-580,1303,5980 ], // DNG_v11, standard_v2 d65
         "raw_crop": [ 0, 5, 6252, 4176]
     },
diff --git a/rtengine/dcraw.cc b/rtengine/dcraw.cc
index fd9f9211b..300f107aa 100644
--- a/rtengine/dcraw.cc
+++ b/rtengine/dcraw.cc
@@ -10045,7 +10045,7 @@ canon_a5:
     } else if (!strncmp(model, "X-A3", 4) || !strncmp(model, "X-A5", 4)) {
         width = raw_width = 6016;
         height = raw_height = 4014;
-    } else if (!strcmp(model, "X-Pro3") || !strcmp(model, "X-T3") || !strcmp(model, "X-T30") || !strcmp(model, "X-T4") || !strcmp(model, "X100V")) {
+    } else if (!strcmp(model, "X-Pro3") || !strcmp(model, "X-T3") || !strcmp(model, "X-T30") || !strcmp(model, "X-T4") || !strcmp(model, "X100V") || !strcmp(model, "X-S10")) {
         width = raw_width = 6384;
         height = raw_height = 4182;
     }