diff --git a/man/man1/irpf90.1.gz b/man/man1/irpf90.1.gz
index 5ec373a..ebc370e 100644
Binary files a/man/man1/irpf90.1.gz and b/man/man1/irpf90.1.gz differ
diff --git a/src/Makefile b/src/Makefile
index 74430d5..9834f39 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,6 +1,6 @@
 PYTHON=python
 PYVERSION=$(shell $(PYTHON) -c "import sys; print(sys.version[:3])")
-HAS_CYTHON=$(shell which cython &> /dev/null && echo 1 || echo 0)
+HAS_CYTHON=$(shell bash -c "which cython &> /dev/null && echo 1 || echo 0")
 ifneq ($(HAS_CYTHON),0)
 
 ../bin/irpf90: irpf90.exe
diff --git a/src/version.py b/src/version.py
index ea274a4..26ccef1 100644
--- a/src/version.py
+++ b/src/version.py
@@ -1 +1 @@
-version = "1.2.20"
+version = "1.2.22"