diff --git a/.teamcity/Ribasim_RibasimLinux/buildTypes/Ribasim_RibasimLinux_TestRibasimApi.xml b/.teamcity/Ribasim_RibasimLinux/buildTypes/Ribasim_RibasimLinux_TestRibasimApi.xml
index d4d3ff199..d4d65503d 100644
--- a/.teamcity/Ribasim_RibasimLinux/buildTypes/Ribasim_RibasimLinux_TestRibasimApi.xml
+++ b/.teamcity/Ribasim_RibasimLinux/buildTypes/Ribasim_RibasimLinux_TestRibasimApi.xml
@@ -34,7 +34,7 @@
       </vcs-entry-ref>
     </vcs-settings>
     <requirements>
-      <equals id="RQ_315" name="env.OS" value="Windows_NT" />
+      <does-not-equal id="RQ_315" name="env.OS" value="Windows_NT" />
     </requirements>
     <build-triggers>
       <build-trigger id="TRIGGER_64" type="buildDependencyTrigger">