diff --git a/_FiveSql2/src/TSqlAlias.prg b/_FiveSql2/src/TSqlAlias.prg
index b0eb058..aebb585 100644
--- a/_FiveSql2/src/TSqlAlias.prg
+++ b/_FiveSql2/src/TSqlAlias.prg
@@ -119,11 +119,36 @@ RETURN cAlias
 
 
 /*
- * AcquireTemp — create a unique alias for temp/derived tables.
+ * AcquireTemp — create a stable alias for temp/derived tables.
+ *
+ * Returns the purpose (usually the upper-cased table name) itself
+ * when it's a valid alias and not already in use in this query.
+ * This lets the WA cache hit on repeated queries of the form
+ * `FROM table t` — previously every call returned a fresh FA_####
+ * that no cache entry could match, so every query re-opened the
+ * file. Self-joins (`FROM emp e1, emp e2`) still need two distinct
+ * workareas, so the second acquire for the same purpose falls back
+ * to the unique counter.
  */
 METHOD AcquireTemp( cPurpose ) CLASS TSqlAlias
 
-   LOCAL cAlias
+   LOCAL cAlias, cUp, i, lTaken
+
+   cUp := Upper( cPurpose )
+
+   IF ! Empty( cUp ) .AND. IsAlpha( Left( cUp, 1 ) )
+      lTaken := .F.
+      FOR i := 1 TO Len( ::aSlots )
+         IF ::aSlots[ i ][ 1 ] == cUp
+            lTaken := .T.
+            EXIT
+         ENDIF
+      NEXT
+      IF ! lTaken
+         AAdd( ::aSlots, { cUp, cPurpose, cPurpose, .F. } )
+         RETURN cUp
+      ENDIF
+   ENDIF
 
    s_nGlobalSeq++
    cAlias := "FA_" + StrZero( s_nGlobalSeq, 4 )