diff --git a/grantlee5/linuxdeploy-plugin-grantlee5.sh b/grantlee5/linuxdeploy-plugin-grantlee5.sh
index 809761c..af4c70a 100755
--- a/grantlee5/linuxdeploy-plugin-grantlee5.sh
+++ b/grantlee5/linuxdeploy-plugin-grantlee5.sh
@@ -68,7 +68,20 @@ set(imported_target "Grantlee5::defaultfilters")
 
 message(STATUS "Fetching imported location for target ${imported_target}")
 
-get_property(imported_location TARGET "${imported_target}" PROPERTY IMPORTED_LOCATION_NONE)
+foreach(property_name IMPORTED_LOCATION_NONE IMPORTED_LOCATION_RELWITHDEBINFO)
+    get_property(imported_location TARGET "${imported_target}" PROPERTY "${property_name}")
+
+    message(STATUS "Property ${property_name} value: \"${imported_location}\"")
+
+    if(NOT "${imported_location}" STREQUAL "")
+        break()
+    endif()
+endforeach()
+
+if("${imported_location}" STREQUAL "")
+    message(FATAL_ERROR "Could not find location with CMake")
+endif()
+
 message(STATUS "Imported location: ${imported_location}")
 
 file(WRITE "${CMAKE_CURRENT_SOURCE_DIR}/imported-location" "${imported_location}")
@@ -76,6 +89,10 @@ EOF
 
     cmake . &>cmake.log
 
+    if [[ "$VERBOSE" != "" ]]; then
+        cat cmake.log
+    fi
+
     # clean up log if everything worked, otherwise it would be printed by the cleanup handler
     rm cmake.log
 
@@ -91,6 +108,8 @@ EOF
     popd &>/dev/null
 fi
 
+echo "\$GRANTLEE5_PLUGINS_DIR=$GRANTLEE5_PLUGINS_DIR"
+
 if [[ ! -d "$GRANTLEE5_PLUGINS_DIR" ]]; then
     echo "Error: grantlee5 plugins directory does not exist or could not be found"
     exit 2
@@ -98,7 +117,12 @@ fi
 
 # guess grantlee version from the plugin path
 # this should always be the last component, as the plugins need to be stored in a directory like .../grantlee/<version>/grantlee*.so
-grantlee5_version="$(echo "$GRANTLEE5_PLUGINS_DIR" | rev | cut -d/ -f1 | rev)"
+grantlee5_version="$(echo "$GRANTLEE5_PLUGINS_DIR" | sed -e 's|/*$||' | rev | cut -d/ -f1 | rev)"
+
+if [[ "$grantlee5_version" == "" ]]; then
+    echo "Error: failed to detect grantlee5 version"
+    exit 2
+fi
 
 target_dir="$appdir"/usr/plugins/grantlee/"$grantlee5_version"
 
diff --git a/tests/test-plugins.sh b/tests/test-plugins.sh
index f010835..3130b35 100755
--- a/tests/test-plugins.sh
+++ b/tests/test-plugins.sh
@@ -58,7 +58,7 @@ while IFS= read -r -d '' plugin; do
 	echo -e "\033[1mTesting plugin $name...\033[0m"
 
 	printf "%-60s" " - lint plugin"
-	run_valid_command shellcheck "$plugin"
+	run_valid_command shellcheck --external-sources "$plugin"
 
 	printf "%-60s" " - run with wrong usage"
 	run_invalid_command bash "$plugin"