diff --git a/src/save.c b/src/save.c
index 0dda6daa..4c4c4991 100644
--- a/src/save.c
+++ b/src/save.c
@@ -3524,7 +3524,6 @@ int load_schematic(int load_symbols, const char *fname, int reset_undo, int aler
     else fd=fopen(name,fopen_read_mode);
     if( fd == NULL) {
       size_t len;
-      char *ptr;
       ret = 0;
       if(alert) {
         fprintf(errfp, "load_schematic(): unable to open file: %s, fname=%s\n", name, fname );
@@ -3534,8 +3533,7 @@ int load_schematic(int load_symbols, const char *fname, int reset_undo, int aler
         }
       }
       len = strlen(name);
-      ptr = strstr(name, ".sym");
-      if(ptr && ptr - name == len - 4) {
+      if(!strcmp(name + len - 4, ".sym")) {
         xctx->save_netlist_type = xctx->netlist_type;
         xctx->netlist_type = CAD_SYMBOL_ATTRS;
         set_tcl_netlist_type();