diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index a2257c610..3145d3b62 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -55,6 +55,8 @@ Version 4.3.2
 
 - Fixed bug reported at http://stackoverflow.com/questions/14307692/unknown-when-using-defs
 
+- Relax check_logic procedure. Now, it accepts coercions (to_real) automatically introduced by Z3. (Thanks to Paul Jackson). This is a fix for http://z3.codeplex.com/workitem/19.
+
 Version 4.3.1
 =============
 
diff --git a/src/cmd_context/check_logic.cpp b/src/cmd_context/check_logic.cpp
index 820ef59a4..dfee148b5 100644
--- a/src/cmd_context/check_logic.cpp
+++ b/src/cmd_context/check_logic.cpp
@@ -228,6 +228,9 @@ struct check_logic::imp {
     bool is_int(expr * t) {
         if (m_a_util.is_uminus(t))
             t = to_app(t)->get_arg(0);
+        // Take care of coercions automatically added by Z3
+        if (m_a_util.is_to_real(t))
+            t = to_app(t)->get_arg(0);
         return m_a_util.is_numeral(t);
     }