diff --git a/dumux/material/fluidsystems/liquidphase2c.hh b/dumux/material/fluidsystems/liquidphase2c.hh
index 956fa6acc3ab434d0b8820f5c341dfb624217553..60cf7298e3b38e7c1a38e68f77aacb8c6381c613 100644
--- a/dumux/material/fluidsystems/liquidphase2c.hh
+++ b/dumux/material/fluidsystems/liquidphase2c.hh
@@ -80,9 +80,10 @@ public:
 
     /*!
      * \brief Returns whether the fluids are miscible
+     * \note There is only one phase, so miscibility makes no sense
      */
     static constexpr bool isMiscible()
-    { return true; }
+    { return false; }
 
     /*!
      * \brief A human readable name for the component.