diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
index ca1e3825d5..07d126aea8 100644
--- a/hw/sparc/sun4m.c
+++ b/hw/sparc/sun4m.c
@@ -850,7 +850,6 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
     uint32_t initrd_size;
     DriveInfo *fd[MAX_FD];
     FWCfgState *fw_cfg;
-    unsigned int num_vsimms;
     DeviceState *dev;
     SysBusDevice *s;
 
@@ -909,8 +908,7 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
         error_report("Unsupported depth: %d", graphic_depth);
         exit (1);
     }
-    num_vsimms = 0;
-    if (num_vsimms == 0) {
+    if (vga_interface_type != VGA_NONE) {
         if (vga_interface_type == VGA_CG3) {
             if (graphic_depth != 8) {
                 error_report("Unsupported depth: %d", graphic_depth);
@@ -945,7 +943,7 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
         }
     }
 
-    for (i = num_vsimms; i < MAX_VSIMMS; i++) {
+    for (i = 0; i < MAX_VSIMMS; i++) {
         /* vsimm registers probed by OBP */
         if (hwdef->vsimm[i].reg_base) {
             empty_slot_init(hwdef->vsimm[i].reg_base, 0x2000);