diff --git a/target/s390x/tcg/insn-data.def b/target/s390x/tcg/insn-data.h.inc
similarity index 99%
rename from target/s390x/tcg/insn-data.def
rename to target/s390x/tcg/insn-data.h.inc
index 6382ceabfc..7e952bdfc8 100644
--- a/target/s390x/tcg/insn-data.def
+++ b/target/s390x/tcg/insn-data.h.inc
@@ -8,7 +8,7 @@
  *
  *  OPC  = (op << 8) | op2 where op is the major, op2 the minor opcode
  *  NAME = name of the opcode, used internally
- *  FMT  = format of the opcode (defined in insn-format.def)
+ *  FMT  = format of the opcode (defined in insn-format.h.inc)
  *  FAC  = facility the opcode is available in (defined in DisasFacility)
  *  I1   = func in1_xx fills o->in1
  *  I2   = func in2_xx fills o->in2
diff --git a/target/s390x/tcg/insn-format.def b/target/s390x/tcg/insn-format.h.inc
similarity index 100%
rename from target/s390x/tcg/insn-format.def
rename to target/s390x/tcg/insn-format.h.inc
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index 03efccdf9f..2fbdab7252 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -1011,7 +1011,7 @@ static void free_compare(DisasCompare *c)
 #define F6(N, X1, X2, X3, X4, X5, X6) F0(N)
 
 typedef enum {
-#include "insn-format.def"
+#include "insn-format.h.inc"
 } DisasFormat;
 
 #undef F0
@@ -1076,7 +1076,7 @@ typedef struct DisasFormatInfo {
 #define F6(N, X1, X2, X3, X4, X5, X6)       { { X1, X2, X3, X4, X5, X6 } },
 
 static const DisasFormatInfo format_info[] = {
-#include "insn-format.def"
+#include "insn-format.h.inc"
 };
 
 #undef F0
@@ -6143,7 +6143,7 @@ static void in2_insn(DisasContext *s, DisasOps *o)
 #define E(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D, FL) insn_ ## NM,
 
 enum DisasInsnEnum {
-#include "insn-data.def"
+#include "insn-data.h.inc"
 };
 
 #undef E
@@ -6223,7 +6223,7 @@ enum DisasInsnEnum {
 #define FAC_MIE3        S390_FEAT_MISC_INSTRUCTION_EXT3 /* miscellaneous-instruction-extensions facility 3 */
 
 static const DisasInsn insn_info[] = {
-#include "insn-data.def"
+#include "insn-data.h.inc"
 };
 
 #undef E
@@ -6233,7 +6233,7 @@ static const DisasInsn insn_info[] = {
 static const DisasInsn *lookup_opc(uint16_t opc)
 {
     switch (opc) {
-#include "insn-data.def"
+#include "insn-data.h.inc"
     default:
         return NULL;
     }