diff --git a/src/libavrdude.i b/src/libavrdude.i
index 5948ba07..e3203b99 100644
--- a/src/libavrdude.i
+++ b/src/libavrdude.i
@@ -527,22 +527,22 @@ const char *ldata_string(LNODEID);
 AVRMEM * avr_locate_mem(const AVRPART *p, const char *desc);
 AVRPART * locate_part(const LISTID parts, const char *partdesc);
 
-enum prog_modes {
-  PM_SPM       =    1, // Bootloaders, self-programming with SPM opcodes or NVM Controllers
-  PM_TPI       =    2, // Tiny Programming Interface (t4, t5, t9, t10, t20, t40, t102, t104)
-  PM_ISP       =    4, // SPI programming for In-System Programming (almost all classic parts)
-  PM_PDI       =    8, // Program and Debug Interface (xmega parts)
-  PM_UPDI      =   16, // Unified Program and Debug Interface
-  PM_HVSP      =   32, // High Voltage Serial Programming (some classic parts)
-  PM_HVPP      =   64, // High Voltage Parallel Programming (most non-HVSP classic parts)
-  PM_debugWIRE =  128, // Simpler alternative to JTAG (a subset of HVPP/HVSP parts)
-  PM_JTAG      =  256, // Joint Test Action Group standard (some classic parts)
-  PM_JTAGmkI   =  512, // Subset of PM_JTAG, older parts, Atmel ICE mkI
-  PM_XMEGAJTAG = 1024, // JTAG, some XMEGA parts
-  PM_AVR32JTAG = 2048, // JTAG for 32-bit AVRs
-  PM_aWire     = 4096, // For 32-bit AVRs
-  PM_ALL      = 0x1fff // All programming interfaces
-};
+// Programming modes for parts and programmers: reflect changes in lexer.l, developer_opts.c and config.c
+#define PM_SPM                1 // Bootloaders, self-programming with SPM opcodes or NVM Controllers
+#define PM_TPI                2 // Tiny Programming Interface (t4, t5, t9, t10, t20, t40, t102, t104)
+#define PM_ISP                4 // SPI programming for In-System Programming (almost all classic parts)
+#define PM_PDI                8 // Program and Debug Interface (xmega parts)
+#define PM_UPDI              16 // Unified Program and Debug Interface
+#define PM_HVSP              32 // High Voltage Serial Programming (some classic parts)
+#define PM_HVPP              64 // High Voltage Parallel Programming (most non-HVSP classic parts)
+#define PM_debugWIRE        128 // Simpler alternative to JTAG (a subset of HVPP/HVSP parts)
+#define PM_JTAG             256 // Joint Test Action Group standard (some classic parts)
+#define PM_JTAGmkI          512 // Subset of PM_JTAG, older parts, Atmel ICE mkI
+#define PM_XMEGAJTAG       1024 // JTAG, some XMEGA parts
+#define PM_AVR32JTAG       2048 // JTAG for 32-bit AVRs
+#define PM_aWire           4096 // For 32-bit AVRs
+#define PM_ALL           0x1fff // All programming interfaces
+
 // map Python bytes() to sig+sigsize
 %typemap(in) (unsigned char *sig, int sigsize) {
   Py_ssize_t len;