diff --git a/pkgs/data/fonts/source-han-sans/japanese.nix b/pkgs/data/fonts/source-han-sans/japanese.nix
index bfff019cef71..4aacdbf62e24 100644
--- a/pkgs/data/fonts/source-han-sans/japanese.nix
+++ b/pkgs/data/fonts/source-han-sans/japanese.nix
@@ -1,5 +1,5 @@
 import ./base.nix {
-  prefix = "SourceHanSansJP";
+  prefix = "source-han-sans-japanese";
   url = "mirror://sourceforge/source-han-sans.adobe/SourceHanSansJP-1.000.zip";
   sha256 = "c5930036660bea22ffceaa9e2df765776494800d330a59be7936ab3c763c4c82";
   description = "Japanese subset of an open source Pan-CJK typeface";
diff --git a/pkgs/data/fonts/source-han-sans/korean.nix b/pkgs/data/fonts/source-han-sans/korean.nix
index 99cab06e77ca..cf3ecd9e12e2 100644
--- a/pkgs/data/fonts/source-han-sans/korean.nix
+++ b/pkgs/data/fonts/source-han-sans/korean.nix
@@ -1,5 +1,5 @@
 import ./base.nix {
-  prefix = "SourceHanSansKR";
+  prefix = "source-han-sans-korean";
   url = "mirror://sourceforge/source-han-sans.adobe/SourceHanSansKR-1.000.zip";
   sha256 = "8eed4ad092fcf640e44f73ba510e0ed1c1cabf79776f68d02820734bbba21cf8";
   description = "Korean subset of an open source Pan-CJK typeface";
diff --git a/pkgs/data/fonts/source-han-sans/simplified-chinese.nix b/pkgs/data/fonts/source-han-sans/simplified-chinese.nix
index a33762fbd52e..8e920455e453 100644
--- a/pkgs/data/fonts/source-han-sans/simplified-chinese.nix
+++ b/pkgs/data/fonts/source-han-sans/simplified-chinese.nix
@@ -1,5 +1,5 @@
 import ./base.nix {
-  prefix = "SourceHanSansCN";
+  prefix = "source-han-sans-simplified-chinese";
   url = "mirror://sourceforge/source-han-sans.adobe/SourceHanSansCN-1.000.zip";
   sha256 = "88117aa8f8b4ab65d6f7a919a5e1b06d6c00f75b1abecccf120246536123754d";
   description = "Simplified Chinese subset of an open source Pan-CJK typeface";
diff --git a/pkgs/data/fonts/source-han-sans/traditional-chinese.nix b/pkgs/data/fonts/source-han-sans/traditional-chinese.nix
index 20ca507eef85..b25db8a2515a 100644
--- a/pkgs/data/fonts/source-han-sans/traditional-chinese.nix
+++ b/pkgs/data/fonts/source-han-sans/traditional-chinese.nix
@@ -1,5 +1,5 @@
 import ./base.nix {
-  prefix = "SourceHanSansTWHK";
+  prefix = "source-han-sans-traditional-chinese";
   url = "mirror://sourceforge/source-han-sans.adobe/SourceHanSansTWHK-1.000.zip";
   sha256 = "2371a726757a51322243b1ed7a9fde562621b0813b5e6d6443e06847ad7bbd20";
   description = "Traditional Chinese subset of an open source Pan-CJK typeface";