diff --git a/arch/ARM/ARMGenDisassemblerTables.inc b/arch/ARM/ARMGenDisassemblerTables.inc
index 3f3537b276..66c2c4e4a6 100644
--- a/arch/ARM/ARMGenDisassemblerTables.inc
+++ b/arch/ARM/ARMGenDisassemblerTables.inc
@@ -95167,7 +95167,7 @@ static bool checkDecoderPredicate(MCInst *Inst, unsigned Idx)
 				Ptr += Len; \
 				MCInst_clear(MI); \
 				MCInst_setOpcode(MI, Opc); \
-				bool DecodeComplete; \
+				bool DecodeComplete = false; \
 				S = decoder(S, DecodeIdx, insn, MI, Address, \
 					    &DecodeComplete); \
 				return S; \
@@ -95185,7 +95185,7 @@ static bool checkDecoderPredicate(MCInst *Inst, unsigned Idx)
 				NumToSkip |= (*Ptr++) << 16; \
 				/* Perform the decode operation. */ \
 				MCInst_setOpcode(MI, Opc); \
-				bool DecodeComplete; \
+				bool DecodeComplete = false; \
 				S = decoder(S, DecodeIdx, insn, MI, Address, \
 					    &DecodeComplete); \
 				if (DecodeComplete) { \
diff --git a/arch/PowerPC/PPCGenDisassemblerTables.inc b/arch/PowerPC/PPCGenDisassemblerTables.inc
index afe9f7a25b..36407dc2d0 100644
--- a/arch/PowerPC/PPCGenDisassemblerTables.inc
+++ b/arch/PowerPC/PPCGenDisassemblerTables.inc
@@ -9819,7 +9819,7 @@ static DecodeStatus fname(const uint8_t DecodeTable[], MCInst *MI, \
       NumToSkip |= (*Ptr++) << 16; \
       /* Perform the decode operation. */ \
       MCInst_setOpcode(MI, Opc); \
-      bool DecodeComplete; \
+      bool DecodeComplete = false; \
       S = decoder(S, DecodeIdx, insn, MI, Address, &DecodeComplete); \
       if (DecodeComplete) { \
         /* Decoding complete. */ \
diff --git a/arch/RISCV/RISCVGenDisassemblerTables.inc b/arch/RISCV/RISCVGenDisassemblerTables.inc
index 101728d30f..2efe6960aa 100644
--- a/arch/RISCV/RISCVGenDisassemblerTables.inc
+++ b/arch/RISCV/RISCVGenDisassemblerTables.inc
@@ -1720,7 +1720,7 @@ static DecodeStatus fname(const uint8_t DecodeTable[], MCInst *MI,\
 \
       MCInst_clear(MI);\
       MCInst_setOpcode(MI, Opc);\
-      bool DecodeComplete;\
+      bool DecodeComplete = false;\
       S = decoder(S, DecodeIdx, insn, MI, Address, DisAsm, &DecodeComplete);\
       CS_ASSERT(DecodeComplete);\
 \
@@ -1738,7 +1738,7 @@ static DecodeStatus fname(const uint8_t DecodeTable[], MCInst *MI,\
 \
       MCInst TmpMI;\
       MCInst_setOpcode(&TmpMI, Opc);\
-      bool DecodeComplete;\
+      bool DecodeComplete = false;\
       S = decoder(S, DecodeIdx, insn, &TmpMI, Address, DisAsm, &DecodeComplete);\
 \
       if (DecodeComplete) {\