diff --git a/testsuite/example/siteconfig.tcl-1 b/testsuite/example/siteconfig.tcl-1
index 77e41698a..dbcb5e6d8 100644
--- a/testsuite/example/siteconfig.tcl-1
+++ b/testsuite/example/siteconfig.tcl-1
@@ -666,5 +666,10 @@ if {[info exists env(TESTSUITE_ENABLE_SITECONFIG_GETLOADEDPREREQPATH)]} {
     report [string length [getLoadedPrereqPath foo qux]]
 }
 
+# specific tests to improve getModulefileFromLoadingModule coverage
+if {[info exists env(TESTSUITE_ENABLE_SITECONFIG_GETMODULEFILEFROMLOADINGMODULE)]} {
+    report [string length [getModulefileFromLoadingModule foo]]
+}
+
 
 }
diff --git a/testsuite/modules.00-init/120-siteconfig.exp b/testsuite/modules.00-init/120-siteconfig.exp
index 6c5213514..3a0ec41bc 100644
--- a/testsuite/modules.00-init/120-siteconfig.exp
+++ b/testsuite/modules.00-init/120-siteconfig.exp
@@ -734,6 +734,13 @@ lappend ans $vers_reportre
 testouterr_cmd_re sh -V OK [join $ans \n]
 unsetenv_var TESTSUITE_ENABLE_SITECONFIG_GETLOADEDPREREQPATH
 
+setenv_var TESTSUITE_ENABLE_SITECONFIG_GETMODULEFILEFROMLOADINGMODULE 1
+set ans [list]
+lappend ans 0
+lappend ans $vers_reportre
+testouterr_cmd_re sh -V OK [join $ans \n]
+unsetenv_var TESTSUITE_ENABLE_SITECONFIG_GETMODULEFILEFROMLOADINGMODULE
+
 
 } elseif {$verbose} {
     send_user "\tSkip tests relying on an excepted siteconfig file installed\n"