diff --git a/srcpkgs/kcachegrind/template b/srcpkgs/kcachegrind/template
index 657028f70d4..941803e79ef 100644
--- a/srcpkgs/kcachegrind/template
+++ b/srcpkgs/kcachegrind/template
@@ -13,3 +13,4 @@ license="GPL-2.0-only, GFDL-1.2-only"
 homepage="https://kde.org/applications/development/kcachegrind/"
 distfiles="${KDE_SITE}/release-service/${version}/src/kcachegrind-${version}.tar.xz"
 checksum=a30b70bac32f2b33c3c90b8c17754cfbf7d293c9eff0d573747eca2b45353b41
+python_version=2 #unverified