diff --git a/src/frontend/A32/decoder/thumb32.inc b/src/frontend/A32/decoder/thumb32.inc
index 79b29174..e7b0aebf 100644
--- a/src/frontend/A32/decoder/thumb32.inc
+++ b/src/frontend/A32/decoder/thumb32.inc
@@ -109,7 +109,7 @@ INST(thumb32_EOR_imm,        "EOR (imm)",                "11110v00100Snnnn0vvvdd
 //INST(thumb32_CLREX,          "CLREX",                    "111100111011----10-0----0010----")
 INST(thumb32_DSB,            "DSB",                      "1111001110111111100011110100oooo")
 INST(thumb32_DMB,            "DMB",                      "1111001110111111100011110101oooo")
-//INST(thumb32_ISB,            "ISB",                      "111100111011----10-0----0110----")
+INST(thumb32_ISB,            "ISB",                      "1111001110111111100011110110oooo")
 
 //INST(thumb32_BXJ,            "BXJ",                      "111100111100----1000111100000000")
 //INST(thumb32_ERET,           "ERET",                     "11110011110111101000111100000000")
diff --git a/src/frontend/A32/translate/impl/thumb32_control.cpp b/src/frontend/A32/translate/impl/thumb32_control.cpp
index 24e099c9..cf7312f5 100644
--- a/src/frontend/A32/translate/impl/thumb32_control.cpp
+++ b/src/frontend/A32/translate/impl/thumb32_control.cpp
@@ -17,6 +17,13 @@ bool ThumbTranslatorVisitor::thumb32_DSB([[maybe_unused]] Imm<4> option) {
     return true;
 }
 
+bool ThumbTranslatorVisitor::thumb32_ISB([[maybe_unused]] Imm<4> option) {
+    ir.InstructionSynchronizationBarrier();
+    ir.BranchWritePC(ir.Imm32(ir.current_location.PC() + 4));
+    ir.SetTerm(IR::Term::ReturnToDispatch{});
+    return false;
+}
+
 bool ThumbTranslatorVisitor::thumb32_UDF() {
     return thumb16_UDF();
 }
diff --git a/src/frontend/A32/translate/impl/translate_thumb.h b/src/frontend/A32/translate/impl/translate_thumb.h
index 658c129e..b0c4bfbb 100644
--- a/src/frontend/A32/translate/impl/translate_thumb.h
+++ b/src/frontend/A32/translate/impl/translate_thumb.h
@@ -162,6 +162,7 @@ struct ThumbTranslatorVisitor final {
     // thumb32 miscellaneous control instructions
     bool thumb32_DMB(Imm<4> option);
     bool thumb32_DSB(Imm<4> option);
+    bool thumb32_ISB(Imm<4> option);
     bool thumb32_UDF();
 
     // thumb32 branch instructions