Index: openacs-4/packages/acs-tcl/tcl/apm-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/apm-procs.tcl,v
diff -u -r1.95 -r1.95.2.1
--- openacs-4/packages/acs-tcl/tcl/apm-procs.tcl	27 Oct 2014 16:40:05 -0000	1.95
+++ openacs-4/packages/acs-tcl/tcl/apm-procs.tcl	9 Sep 2015 14:12:38 -0000	1.95.2.1
@@ -908,7 +908,11 @@
 ad_proc -private apm_package_installed_p_not_cached {
     package_key
 } {
-    return [db_string apm_package_installed_p {} -default 0]    
+    return [db_string apm_package_installed_p {
+      select 1 from apm_package_versions
+      where package_key = :package_key
+      and installed_p = 't'
+    } -default 0]
 }
 
 ad_proc -public apm_package_enabled_p {