diff --git a/pkgs/applications/misc/osmctools/default.nix b/pkgs/applications/misc/osmctools/default.nix
index 5a9ffc13007..e70be8201b3 100644
--- a/pkgs/applications/misc/osmctools/default.nix
+++ b/pkgs/applications/misc/osmctools/default.nix
@@ -37,10 +37,10 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Command line tools for transforming Open Street Map files";
-    homepage = ''
-      http://wiki.openstreetmap.org/wiki/Osmconvert
+    homepage = [
+      https://wiki.openstreetmap.org/wiki/Osmconvert
       https://wiki.openstreetmap.org/wiki/Osmfilter
-    '';
+    ];
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/applications/science/logic/abc/default.nix b/pkgs/applications/science/logic/abc/default.nix
index fc07807b91d..47fd8e5dbc8 100644
--- a/pkgs/applications/science/logic/abc/default.nix
+++ b/pkgs/applications/science/logic/abc/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A tool for squential logic synthesis and ormal verification";
-    homepage    = "www.eecs.berkeley.edu/~alanmi/abc/abc.htm";
+    homepage    = "https://people.eecs.berkeley.edu/~alanmi/abc/abc.htm";
     license     = stdenv.lib.licenses.mit;
     platforms   = stdenv.lib.platforms.unix;
     maintainers = [ stdenv.lib.maintainers.thoughtpolice ];
diff --git a/pkgs/applications/window-managers/dwm/default.nix b/pkgs/applications/window-managers/dwm/default.nix
index c11a9a53989..c2f9bec33c2 100644
--- a/pkgs/applications/window-managers/dwm/default.nix
+++ b/pkgs/applications/window-managers/dwm/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   buildPhase = " make ";
  
   meta = {
-    homepage = "www.suckless.org";
+    homepage = "http://suckless.org/";
     description = "Dynamic window manager for X";
     license = stdenv.lib.licenses.mit;
     maintainers = with stdenv.lib.maintainers; [viric];