diff --git a/esmvaltool/diag_scripts/perfmetrics/collect.ncl b/esmvaltool/diag_scripts/perfmetrics/collect.ncl
index 0fd2efe311..503a9c50d8 100644
--- a/esmvaltool/diag_scripts/perfmetrics/collect.ncl
+++ b/esmvaltool/diag_scripts/perfmetrics/collect.ncl
@@ -351,9 +351,9 @@ begin
       end if
       if (n_proj .gt. 1) then
         id2 = ind(projectnames.eq.diag_script_info@project_order(1))
-        id2_mm = (/ind(data_all&models(id2) .eq. \
+        id2_mm = (/ind(data_temp&models(id2) .eq. \
                   diag_script_info@project_order(1) + "_mean"), \
-                  ind(data_all&models(id2) .eq. \
+                  ind(data_temp&models(id2) .eq. \
                   diag_script_info@project_order(1) + "_median") /)
         if (any(ismissing(id2_mm))) then
           id2_mm = -1
@@ -368,9 +368,9 @@ begin
         end if
         if (n_proj .gt. 2) then
           id3 = ind(projectnames.eq.diag_script_info@project_order(2))
-          id3_mm = (/ind(data_all&models(id3) .eq. \
+          id3_mm = (/ind(data_temp&models(id3) .eq. \
                     diag_script_info@project_order(2) + "_mean"), \
-                    ind(data_all&models(id3) .eq. \
+                    ind(data_temp&models(id3) .eq. \
                     diag_script_info@project_order(2) + "_median") /)
           if (any(ismissing(id3_mm))) then
             id3_mm = -1