diff --git a/library/general/src/modules/Arch.rb b/library/general/src/modules/Arch.rb
index 7ff875f6e..d07cd2a71 100644
--- a/library/general/src/modules/Arch.rb
+++ b/library/general/src/modules/Arch.rb
@@ -498,7 +498,11 @@ def x11_setup_needed
     #
     # @return [Boolean] true if runs on WSL; false otherwise
     def is_wsl
-      SCR.Read(path(".target.string"), "/proc/sys/kernel/osrelease").to_s.include?("-Microsoft")
+      # As of 2020-07-24 /proc/sys/kernel/osrelease contains
+      # "4.4.0-19041-Microsoft" on wsl1 and
+      # "4.19.104-microsoft-standard" on wsl2.
+      # Match on lowercase  "-microsoft"
+      SCR.Read(path(".target.string"), "/proc/sys/kernel/osrelease").to_s.downcase.include?("-microsoft")
     end
 
     publish function: :architecture, type: "string ()"
diff --git a/library/general/test/arch_test.rb b/library/general/test/arch_test.rb
index bd208c68a..18688a516 100755
--- a/library/general/test/arch_test.rb
+++ b/library/general/test/arch_test.rb
@@ -52,8 +52,16 @@
         .and_return(osrelease)
     end
 
-    context "when it runs on a Microsoft kernel" do
-      let(:osrelease) { "5.3.11-Microsoft" }
+    context "when it runs on a Microsoft kernel under WSL1" do
+      let(:osrelease) { "4.4.0-19041-Microsoft" }
+
+      it "returns true" do
+        expect(Yast::Arch.is_wsl).to eq(true)
+      end
+    end
+
+    context "when it runs on a Microsoft kernel under WSL2" do
+      let(:osrelease) { "4.19.104-microsoft-standard" }
 
       it "returns true" do
         expect(Yast::Arch.is_wsl).to eq(true)
diff --git a/package/yast2.changes b/package/yast2.changes
index dd0cc8278..a1ee8e956 100644
--- a/package/yast2.changes
+++ b/package/yast2.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Fri Jul 24 08:06:27 UTC 2020 - Jeff Kowalczyk <jkowalczyk@suse.com>
+
+- update is_wsl function to match wsl1 and wsl2 osrelease spellings
+  (boo#1174183)
+- 4.2.87
+
 -------------------------------------------------------------------
 Tue Jul  7 09:48:04 CEST 2020 - schubi@suse.de
 
diff --git a/package/yast2.spec b/package/yast2.spec
index c99a1170a..b91f45f10 100644
--- a/package/yast2.spec
+++ b/package/yast2.spec
@@ -17,7 +17,7 @@
 
 
 Name:           yast2
-Version:        4.2.86
+Version:        4.2.87
 Release:        0
 Summary:        YaST2 Main Package
 License:        GPL-2.0-only