diff --git a/pio-parser/src/lib.rs b/pio-parser/src/lib.rs
index ac09bdd..00995e8 100644
--- a/pio-parser/src/lib.rs
+++ b/pio-parser/src/lib.rs
@@ -272,7 +272,7 @@ impl<'i> ParsedOperands<'i> {
                         InstructionOperands::MOVTORX { index }
                     }
                     (MovSrcInternal::Fifo(index), MovDestInternal::Mov(MovDestination::OSR)) => {
-                        InstructionOperands::MOVTORX { index }
+                        InstructionOperands::MOVFROMRX { index }
                     }
                     (MovSrcInternal::Mov(s), MovDestInternal::Mov(d)) => InstructionOperands::MOV {
                         destination: d,
@@ -537,8 +537,8 @@ fn test_rp2350() {
     let p = Parser::<32>::parse_program(
         "
     label:
-      mov osr, rxfifo0
-      mov rxfifo1, isr
+      mov osr, rxfifo[0]
+      mov rxfifo[1], isr
       mov pins, isr
       mov osr, x
       jmp label
diff --git a/pio-parser/src/rp2350.lalrpop b/pio-parser/src/rp2350.lalrpop
index 66b1f67..e8ce88b 100644
--- a/pio-parser/src/rp2350.lalrpop
+++ b/pio-parser/src/rp2350.lalrpop
@@ -256,11 +256,11 @@ ParsedMovDestination: ParsedMovDestination = {
   "pc" => ParsedMovDestination::PC,
   "isr" => ParsedMovDestination::ISR,
   "osr" => ParsedMovDestination::OSR,
-  "rxfifoy" => ParsedMovDestination::RXFIFOY,
-  "rxfifo0" => ParsedMovDestination::RXFIFO0,
-  "rxfifo1" => ParsedMovDestination::RXFIFO1,
-  "rxfifo2" => ParsedMovDestination::RXFIFO2,
-  "rxfifo3" => ParsedMovDestination::RXFIFO3,
+  "rxfifo[y]" => ParsedMovDestination::RXFIFOY,
+  "rxfifo[0]" => ParsedMovDestination::RXFIFO0,
+  "rxfifo[1]" => ParsedMovDestination::RXFIFO1,
+  "rxfifo[2]" => ParsedMovDestination::RXFIFO2,
+  "rxfifo[3]" => ParsedMovDestination::RXFIFO3,
 };
 
 MovOperation: MovOperation = {
@@ -277,11 +277,11 @@ ParsedMovSource: ParsedMovSource = {
   "status" => ParsedMovSource::STATUS,
   "isr" => ParsedMovSource::ISR,
   "osr" => ParsedMovSource::OSR,
-  "rxfifoy" => ParsedMovSource::RXFIFOY,
-  "rxfifo0" => ParsedMovSource::RXFIFO0,
-  "rxfifo1" => ParsedMovSource::RXFIFO1,
-  "rxfifo2" => ParsedMovSource::RXFIFO2,
-  "rxfifo3" => ParsedMovSource::RXFIFO3,
+  "rxfifo[y]" => ParsedMovSource::RXFIFOY,
+  "rxfifo[0]" => ParsedMovSource::RXFIFO0,
+  "rxfifo[1]" => ParsedMovSource::RXFIFO1,
+  "rxfifo[2]" => ParsedMovSource::RXFIFO2,
+  "rxfifo[3]" => ParsedMovSource::RXFIFO3,
 };
 
 IrqModifier: (bool, bool) = {