diff --git a/AMEG-1.1.ckan b/AMEG-1.1.ckan
index 9986bf3eba..40b64cbc18 100644
--- a/AMEG-1.1.ckan
+++ b/AMEG-1.1.ckan
@@ -12,7 +12,7 @@
     }
   ],
   "resources": {
-    "homepage": null,
+    "homepage": "",
     "kerbalstuff": "https://kerbalstuff.com/mod/279/AMEG"
   },
   "name": "AMEG",
diff --git a/BackgroundProcessing-0.2.4.ckan b/BackgroundProcessing-0.2.4.ckan
index 76ed81986b..e856f3f31a 100644
--- a/BackgroundProcessing-0.2.4.ckan
+++ b/BackgroundProcessing-0.2.4.ckan
@@ -9,7 +9,7 @@
     }
   ],
   "resources": {
-    "homepage": null,
+    "homepage": "",
     "kerbalstuff": "https://kerbalstuff.com/mod/302/BackgroundProcessing"
   },
   "ksp_version": "0.25",
diff --git a/BiggerLaunchpads-0.5.ckan b/BiggerLaunchpads-0.5.ckan
index 1ee80c177e..203630a4d1 100644
--- a/BiggerLaunchpads-0.5.ckan
+++ b/BiggerLaunchpads-0.5.ckan
@@ -9,7 +9,7 @@
     }
   ],
   "resources": {
-    "homepage": null,
+    "homepage": "",
     "kerbalstuff": "https://kerbalstuff.com/mod/322/Bigger%20Launchpads"
   },
   "ksp_version": "0.25",
diff --git a/CoherentContracts-1.01.ckan b/CoherentContracts-1.01.ckan
index 22e15fe2eb..da7a1c7210 100644
--- a/CoherentContracts-1.01.ckan
+++ b/CoherentContracts-1.01.ckan
@@ -8,7 +8,7 @@
     }
   ],
   "resources": {
-    "homepage": null,
+    "homepage": "",
     "kerbalstuff": "https://kerbalstuff.com/mod/333/Coherent%20Contracts"
   },
   "ksp_version": "0.25",
diff --git a/CommunityTechTree-1.1.ckan b/CommunityTechTree-1.1.ckan
index d55ab4749e..6bde48de63 100644
--- a/CommunityTechTree-1.1.ckan
+++ b/CommunityTechTree-1.1.ckan
@@ -14,7 +14,7 @@
     }
   ],
   "resources": {
-    "homepage": null,
+    "homepage": "",
     "kerbalstuff": "https://kerbalstuff.com/mod/345/Community%20Tech%20Tree"
   },
   "ksp_version": "0.25",
diff --git a/ConnectedLivingSpace-1.0.11.0.ckan b/ConnectedLivingSpace-1.0.11.0.ckan
index 47405e7bfe..c0fd6bba90 100644
--- a/ConnectedLivingSpace-1.0.11.0.ckan
+++ b/ConnectedLivingSpace-1.0.11.0.ckan
@@ -3,7 +3,7 @@
   "identifier": "ConnectedLivingSpace",
   "license": "CC-BY-NC-SA-4.0",
   "resources": {
-    "homepage": null,
+    "homepage": "",
     "kerbalstuff": "https://kerbalstuff.com/mod/11/Connected%20Living%20Space"
   },
   "ksp_version": "0.25",
diff --git a/RoversNOthers-Set1-1.2.ckan b/RoversNOthers-Set1-1.2.ckan
index 633a47004d..e3d78a6e69 100644
--- a/RoversNOthers-Set1-1.2.ckan
+++ b/RoversNOthers-Set1-1.2.ckan
@@ -17,7 +17,7 @@
     }
   ],
   "resources": {
-    "homepage": null,
+    "homepage": "",
     "kerbalstuff": "https://kerbalstuff.com/mod/78/Rover'N'Others%20set%201"
   },
   "ksp_version": "0.25",
diff --git a/RoversNOthers-Set2-1.0.ckan b/RoversNOthers-Set2-1.0.ckan
index c5114bcb4a..855162591e 100644
--- a/RoversNOthers-Set2-1.0.ckan
+++ b/RoversNOthers-Set2-1.0.ckan
@@ -17,7 +17,7 @@
     }
   ],
   "resources": {
-    "homepage": null,
+    "homepage": "",
     "kerbalstuff": "https://kerbalstuff.com/mod/107/Rover'N'Others%20set%202"
   },
   "ksp_version": "0.25",
diff --git a/RoversNOthers-Set3-0.5.ckan b/RoversNOthers-Set3-0.5.ckan
index ff459ce69d..4c1d814248 100644
--- a/RoversNOthers-Set3-0.5.ckan
+++ b/RoversNOthers-Set3-0.5.ckan
@@ -25,7 +25,7 @@
     }
   ],
   "resources": {
-    "homepage": null,
+    "homepage": "",
     "kerbalstuff": "https://kerbalstuff.com/mod/336/Rover'N'Others%20set%203"
   },
   "ksp_version": "0.25",