diff --git a/src/quackseq/phase_table.py b/src/quackseq/phase_table.py
index 1131566..d381841 100644
--- a/src/quackseq/phase_table.py
+++ b/src/quackseq/phase_table.py
@@ -63,7 +63,7 @@ class PhaseTable:
         logger.info(phase_table)
 
         # Now get the maximum phase group
-        max_phase_group = max([phase_group for phase_group, _ in phase_table.values()])
+        max_phase_group = int(max([phase_group for phase_group, _ in phase_table.values()]))
 
         logger.info(f"Max phase group: {max_phase_group}")
 
diff --git a/src/quackseq/pulseparameters.py b/src/quackseq/pulseparameters.py
index 4043529..212e487 100644
--- a/src/quackseq/pulseparameters.py
+++ b/src/quackseq/pulseparameters.py
@@ -155,7 +155,7 @@ class TXPulse(PulseParameter):
 
         phase = self.get_option_by_name(self.TX_PHASE).value
 
-        return (np.linspace(0, 360, n_phase_cycles, endpoint=False) + phase) % 360
+        return (np.linspace(0, 360, int(n_phase_cycles), endpoint=False) + phase) % 360
 
 
 class RXReadout(PulseParameter):