diff --git a/scapy/contrib/automotive/bmw/definitions.py b/scapy/contrib/automotive/bmw/definitions.py
index 143827a5c38..3746fc9a296 100644
--- a/scapy/contrib/automotive/bmw/definitions.py
+++ b/scapy/contrib/automotive/bmw/definitions.py
@@ -252,30 +252,30 @@ def i2repr(self, pkt, x):
 
 class SVK_Entry(Packet):
     process_classes = {
-        "0x01": "HWEL",
-        "0x02": "HWAP",
-        "0x03": "HWFR",
-        "0x05": "CAFD",
-        "0x06": "BTLD",
-        "0x08": "SWFL",
-        "0x09": "SWFF",
-        "0x0A": "SWPF",
-        "0x0B": "ONPS",
-        "0x0F": "FAFP",
-        "0x1A": "TLRT",
-        "0x1B": "TPRG",
-        "0x07": "FLSL",
-        "0x0C": "IBAD",
-        "0x10": "FCFA",
-        "0x1C": "BLUP",
-        "0x1D": "FLUP",
-        "0xC0": "SWUP",
-        "0xC1": "SWIP",
-        "0xA0": "ENTD",
-        "0xA1": "NAVD",
-        "0xA2": "FCFN",
-        "0x04": "GWTB",
-        "0x0D": "SWFK",
+        0x01: "HWEL",
+        0x02: "HWAP",
+        0x03: "HWFR",
+        0x05: "CAFD",
+        0x06: "BTLD",
+        0x08: "SWFL",
+        0x09: "SWFF",
+        0x0A: "SWPF",
+        0x0B: "ONPS",
+        0x0F: "FAFP",
+        0x1A: "TLRT",
+        0x1B: "TPRG",
+        0x07: "FLSL",
+        0x0C: "IBAD",
+        0x10: "FCFA",
+        0x1C: "BLUP",
+        0x1D: "FLUP",
+        0xC0: "SWUP",
+        0xC1: "SWIP",
+        0xA0: "ENTD",
+        0xA1: "NAVD",
+        0xA2: "FCFN",
+        0x04: "GWTB",
+        0x0D: "SWFK",
     }
     """
         HWEL - Hardware (Elektronik) - Hardware (Electronics)