diff --git a/kdeutils.spec b/kdeutils.spec
index 5dee012..28a5048 100644
--- a/kdeutils.spec
+++ b/kdeutils.spec
@@ -62,7 +62,9 @@ Obsoletes: %{name}-devel < %{epoch}:%{version}-%{release}
 Utilities for the K Desktop Environment.
 Includes:
   * ark (tar/gzip archive manager);
+%if %{kcalc_in_main}
   * kcalc (scientific calculator);
+%endif
   * kcharselect (character selector);
   * kdepasswd (change password);
   * kdessh (ssh front end);
@@ -94,6 +96,9 @@ Requires: %{name} = %{epoch}:%{version}-%{release}
 Requires: usermode
 %description extras
 More Utilities for the K Desktop Environment:
+%if ! %{kcalc_in_main}
+  * kcalc (scientific calculator);
+%endif
  * kmilo
  * ksim (system information monitor);
  * klaptopdaemon (battery monitoring and management for laptops);