diff --git a/hugin.changes b/hugin.changes
index 48dca73..d85bb95 100644
--- a/hugin.changes
+++ b/hugin.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Feb  1 09:37:01 UTC 2018 - dimstar@opensuse.org
+
+- Pass -DPYTHON_EXECUTABLE=/usr/bin/python2 to CMake, ensuring we
+  use the python2 interpreter.
+
 -------------------------------------------------------------------
 Sun Dec 24 15:14:30 UTC 2017 - adrian@suse.de
 
diff --git a/hugin.spec b/hugin.spec
index 37d3557..82b5b51 100644
--- a/hugin.spec
+++ b/hugin.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package hugin
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -116,6 +116,7 @@ cmake \
 	-DCMAKE_SKIP_RPATH=ON \
 	-DCMAKE_INSTALL_PREFIX=%{_prefix} -DLIB_SUFFIX=$LIB_SUFFIX \
 	-DENABLE_LAPACK=ON BUILD_HSI=ON \
+	-DPYTHON_EXECUTABLE=/usr/bin/python2 \
 	..
 # parallel make kills our workers
 make VERBOSE=1 %{?_smp_mflags} -j1