diff --git a/package/pyinstaller/pyinstaller.spec b/package/pyinstaller/pyinstaller.spec
index 0604edefa..09e3bb0f5 100644
--- a/package/pyinstaller/pyinstaller.spec
+++ b/package/pyinstaller/pyinstaller.spec
@@ -51,9 +51,8 @@ excludes = ["fabio", "hdf5plugin", "silx"]
 # if this module is included, the interactive console does not work
 excludes.append("debugpy")
 
-if sys.platform.startswith("win"):
-    # This module basically does not work with frozen versions
-    excludes.append("multiprocessing")
+# This module basically does not work with frozen versions
+excludes.append("multiprocessing")
 
 
 # get the script list