diff --git a/adafruit_pioasm.py b/adafruit_pioasm.py
index dc7591f..f91134b 100644
--- a/adafruit_pioasm.py
+++ b/adafruit_pioasm.py
@@ -53,13 +53,14 @@ def assemble(text_program):
             sideset_count = int(line.split()[1])
         elif line.endswith(":"):
             labels[line[:-1]] = len(instructions)
-        else:
+        elif line:
+            # Only add as an instruction if the line isn't empty
             instructions.append(line)
 
     max_delay = 2 ** (5 - sideset_count) - 1
     assembled = []
     for instruction in instructions:
-        print(instruction)
+        # print(instruction)
         instruction = instruction.split()
         delay = 0
         if instruction[-1].endswith("]"):  # Delay
@@ -162,6 +163,6 @@ def assemble(text_program):
         else:
             raise RuntimeError("Unknown instruction:" + instruction)
         assembled[-1] |= delay << 8
-        print(hex(assembled[-1]))
+    # print(hex(assembled[-1]))
 
     return array.array("H", assembled)