diff --git a/corrscope/spectrum.py b/corrscope/spectrum.py
index e9b7bbb..d23205c 100644
--- a/corrscope/spectrum.py
+++ b/corrscope/spectrum.py
@@ -4,7 +4,7 @@ import numpy as np
 
 import corrscope.utils.scipy.signal as signal
 from corrscope.config import KeywordAttrs
-from corrscope.wave import f32
+from corrscope.wave_common import f32
 
 
 class SpectrumConfig(KeywordAttrs):
diff --git a/corrscope/triggers.py b/corrscope/triggers.py
index d586bb5..d7c4f66 100644
--- a/corrscope/triggers.py
+++ b/corrscope/triggers.py
@@ -17,7 +17,7 @@ from corrscope.utils.trigger_util import (
     abs_max,
 )
 from corrscope.utils.windows import leftpad, midpad, rightpad, gaussian_or_zero
-from corrscope.wave import f32
+from corrscope.wave_common import f32
 
 if TYPE_CHECKING:
     from corrscope.wave import Wave
diff --git a/corrscope/utils/scipy/windows.py b/corrscope/utils/scipy/windows.py
index 8b32edc..0eee7f2 100644
--- a/corrscope/utils/scipy/windows.py
+++ b/corrscope/utils/scipy/windows.py
@@ -37,7 +37,7 @@ from typing import List, Tuple
 
 import numpy as np
 
-from corrscope.wave import f32
+from corrscope.wave_common import f32
 
 __all__ = ['boxcar', 'triang', 'parzen', 'bohman', 'blackman', 'nuttall',
            'blackmanharris', 'flattop', 'bartlett', 'hanning', 'barthann',
diff --git a/corrscope/utils/trigger_util.py b/corrscope/utils/trigger_util.py
index 35229de..8c3bdd1 100644
--- a/corrscope/utils/trigger_util.py
+++ b/corrscope/utils/trigger_util.py
@@ -4,7 +4,7 @@ import numpy as np
 
 import corrscope.utils.scipy.signal as signal
 from corrscope.util import iround
-from corrscope.wave import f32
+from corrscope.wave_common import f32
 
 if TYPE_CHECKING:
     import corrscope.triggers as t
diff --git a/corrscope/utils/windows.py b/corrscope/utils/windows.py
index 6d5066c..974dcb5 100644
--- a/corrscope/utils/windows.py
+++ b/corrscope/utils/windows.py
@@ -1,7 +1,7 @@
 import numpy as np
 
 from corrscope.utils.scipy import windows
-from corrscope.wave import f32
+from corrscope.wave_common import f32
 
 
 def leftpad(data: np.ndarray, n: int) -> np.ndarray:
diff --git a/corrscope/wave.py b/corrscope/wave.py
index eccdabd..73ed4fe 100644
--- a/corrscope/wave.py
+++ b/corrscope/wave.py
@@ -6,11 +6,8 @@ import numpy as np
 
 import corrscope.utils.scipy.wavfile as wavfile
 from corrscope.config import CorrError, TypedEnumDump
-
-f32 = np.single
-
-# Depends on f32
 from corrscope.utils.windows import rightpad
+from corrscope.wave_common import f32
 
 
 @enum.unique
diff --git a/corrscope/wave_common.py b/corrscope/wave_common.py
new file mode 100644
index 0000000..c07c278
--- /dev/null
+++ b/corrscope/wave_common.py
@@ -0,0 +1,3 @@
+import numpy as np
+
+f32 = np.single