diff --git a/py2pack/templates/fedora.spec b/py2pack/templates/fedora.spec
index 611cbe8..ee22510 100644
--- a/py2pack/templates/fedora.spec
+++ b/py2pack/templates/fedora.spec
@@ -3,13 +3,13 @@
 Name:           python-%{pypi_name}
 Version:        {{ version }}
 Release:        %autorelease
-Summary:        {{ summary }}
+Summary:        {{ summary|replace('\n','') }}
 
 # Check if the automatically generated License and its spelling is correct for Fedora
 # https://docs.fedoraproject.org/en-US/packaging-guidelines/LicensingGuidelines/
-License:        {{ license }}
-URL:            {{ home_page }}
-Source:         {{ source_url|replace(version, '%{version}') }}
+License:        {{ license|replace('\n','') }}
+URL:            {{ home_page|replace('\n','') }}
+Source:         {{ source_url|replace(version, '%{version}')|replace('\n','') }}
 
 BuildRequires:  pyproject-rpm-macros
 BuildRequires:  python-devel
diff --git a/py2pack/templates/mageia.spec b/py2pack/templates/mageia.spec
index 5c2140d..ecd1450 100644
--- a/py2pack/templates/mageia.spec
+++ b/py2pack/templates/mageia.spec
@@ -3,11 +3,11 @@
 Name:           python-%{mod_name}
 Version:        {{ version }}
 Release:        %mkrel 1
-Url:            {{ home_page }}
-Summary:        {{ summary }}
-License:        {{ license }}
+Url:            {{ home_page|replace('\n','') }}
+Summary:        {{ summary|replace('\n','') }}
+License:        {{ license|replace('\n','') }}
 Group:          Development/Python
-Source:         {{ source_url|replace(version, '%{version}') }}
+Source:         {{ source_url|replace(version, '%{version}')|replace('\n','') }}
 BuildRoot:      %{_tmppath}/%{name}-%{version}-buildroot
 BuildRequires:  python-devel
 {%- for req in requires %}
diff --git a/py2pack/templates/opensuse-legacy.spec b/py2pack/templates/opensuse-legacy.spec
index 349e50d..7d9c7f9 100644
--- a/py2pack/templates/opensuse-legacy.spec
+++ b/py2pack/templates/opensuse-legacy.spec
@@ -18,10 +18,10 @@
 Name:           python-{{ name }}
 Version:        {{ version }}
 Release:        0
-Summary:        {{ summary_no_ending_dot|default(summary, true) }}
-License:        {{ license }}
-URL:            {{ home_page }}
-Source:         {{ source_url|replace(version, '%{version}') }}
+Summary:        {{ summary_no_ending_dot|default(summary, true)|replace('\n','') }}
+License:        {{ license|replace('\n','') }}
+URL:            {{ home_page|replace('\n','') }}
+Source:         {{ source_url|replace(version, '%{version}')|replace('\n','') }}
 BuildRequires:  python-setuptools
 {%- if install_requires and install_requires is not none %}
 {%- for req in install_requires|sort %}
diff --git a/py2pack/templates/opensuse.spec b/py2pack/templates/opensuse.spec
index 0d7286a..b5e3a38 100644
--- a/py2pack/templates/opensuse.spec
+++ b/py2pack/templates/opensuse.spec
@@ -19,10 +19,10 @@
 Name:           python-{{ name }}
 Version:        {{ version }}
 Release:        0
-Summary:        {{ summary_no_ending_dot|default(summary, true) }}
-License:        {{ license }}
-URL:            {{ home_page }}
-Source:         {{ source_url|replace(version, '%{version}') }}
+Summary:        {{ summary_no_ending_dot|default(summary, true)|replace('\n','') }}
+License:        {{ license|replace('\n','') }}
+URL:            {{ home_page|replace('\n','') }}
+Source:         {{ source_url|replace(version, '%{version}')|replace('\n','') }}
 BuildRequires:  python-rpm-macros
 {%- set build_requires_plus_pip = ((build_requires if build_requires and build_requires is not none else []) +
                                    ['pip']) %}