diff --git a/pkgs/development/python-modules/nibabel/default.nix b/pkgs/development/python-modules/nibabel/default.nix
index 3a907bc8ca02..751cc1395483 100644
--- a/pkgs/development/python-modules/nibabel/default.nix
+++ b/pkgs/development/python-modules/nibabel/default.nix
@@ -29,7 +29,7 @@ buildPythonPackage rec {
   '';
 
   meta = with lib; {
-    homepage = https://nipy.org/nibabel/;
+    homepage = "https://nipy.org/nibabel";
     description = "Access a multitude of neuroimaging data formats";
     license = licenses.mit;
     maintainers = with maintainers; [ ashgillman ];
diff --git a/pkgs/development/python-modules/nilearn/default.nix b/pkgs/development/python-modules/nilearn/default.nix
index 4a92ec7109d1..1e58aee503b2 100644
--- a/pkgs/development/python-modules/nilearn/default.nix
+++ b/pkgs/development/python-modules/nilearn/default.nix
@@ -33,7 +33,7 @@ buildPythonPackage rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = http://nilearn.github.io;
+    homepage = "http://nilearn.github.io";
     description = "A module for statistical learning on neuroimaging data";
     license = licenses.bsd3;
   };
diff --git a/pkgs/development/python-modules/nipy/default.nix b/pkgs/development/python-modules/nipy/default.nix
index 5b8c1e5185da..fef24e837d1b 100644
--- a/pkgs/development/python-modules/nipy/default.nix
+++ b/pkgs/development/python-modules/nipy/default.nix
@@ -41,7 +41,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   meta = with stdenv.lib; {
-    homepage = https://nipy.org/nipy/;
+    homepage = "https://nipy.org/nipy";
     description = "Software for structural and functional neuroimaging analysis";
     license = licenses.bsd3;
   };
diff --git a/pkgs/development/python-modules/nipype/default.nix b/pkgs/development/python-modules/nipype/default.nix
index 5944e4d863f6..436c9fe63794 100644
--- a/pkgs/development/python-modules/nipype/default.nix
+++ b/pkgs/development/python-modules/nipype/default.nix
@@ -106,7 +106,7 @@ buildPythonPackage rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://nipy.org/nipype/;
+    homepage = "https://nipy.org/nipype/";
     description = "Neuroimaging in Python: Pipelines and Interfaces";
     license = licenses.bsd3;
     maintainers = with maintainers; [ ashgillman ];
diff --git a/pkgs/development/python-modules/nitime/default.nix b/pkgs/development/python-modules/nitime/default.nix
index b61c3d92bc9f..8fa40465c10d 100644
--- a/pkgs/development/python-modules/nitime/default.nix
+++ b/pkgs/development/python-modules/nitime/default.nix
@@ -28,7 +28,7 @@ buildPythonPackage rec {
   checkPhase = "pytest nitime/tests";
 
   meta = with lib; {
-    homepage = https://nipy.org/nitime;
+    homepage = "https://nipy.org/nitime";
     description = "Algorithms and containers for time-series analysis in time and spectral domains";
     license = licenses.bsd3;
     maintainers = [ maintainers.bcdarwin ];