diff --git a/pkg/funcspec/function_api.go b/pkg/funcspec/function_api.go
index f348064..ba97b32 100644
--- a/pkg/funcspec/function_api.go
+++ b/pkg/funcspec/function_api.go
@@ -58,6 +58,9 @@ func (h *Handler) SqlQueryList(sqlquery string, pNoCount, pBlankparms, pAllowFil
 			}
 		}()
 
+		// Create local copy to avoid modifying the captured parameter across requests
+		sqlquery := sqlquery
+
 		ctx, cancel := context.WithTimeout(r.Context(), 900*time.Second)
 		defer cancel()
 
@@ -393,6 +396,9 @@ func (h *Handler) SqlQuery(sqlquery string, pBlankparms bool) HTTPFuncType {
 			}
 		}()
 
+		// Create local copy to avoid modifying the captured parameter across requests
+		sqlquery := sqlquery
+
 		ctx, cancel := context.WithTimeout(r.Context(), 600*time.Second)
 		defer cancel()