diff --git a/keyboards/argo_works/ishi/80/mk0_avr/keymaps/vial/rules.mk b/keyboards/argo_works/ishi/80/mk0_avr/keymaps/vial/rules.mk
index f21c327b092..4ddefe6ff13 100644
--- a/keyboards/argo_works/ishi/80/mk0_avr/keymaps/vial/rules.mk
+++ b/keyboards/argo_works/ishi/80/mk0_avr/keymaps/vial/rules.mk
@@ -2,7 +2,7 @@ VIA_ENABLE = yes
 VIAL_ENABLE = yes
 LTO_ENABLE = yes
 
-ifeq ($(strip $(MCU)), atmega32u4)
+ifeq ($(strip $(CONVERT_TO)), )
     MAGIC_ENABLE = no
     SPACE_CADET_ENABLE = no
     COMBO_ENABLE = no
diff --git a/keyboards/argo_works/ishi/80/mk0_avr_extra/keymaps/vial/rules.mk b/keyboards/argo_works/ishi/80/mk0_avr_extra/keymaps/vial/rules.mk
index 3bee7fa3ab8..a3e183021d1 100644
--- a/keyboards/argo_works/ishi/80/mk0_avr_extra/keymaps/vial/rules.mk
+++ b/keyboards/argo_works/ishi/80/mk0_avr_extra/keymaps/vial/rules.mk
@@ -3,7 +3,7 @@ VIA_ENABLE = yes
 VIAL_ENABLE = yes
 LTO_ENABLE = yes
 
-ifeq ($(strip $(MCU)), atmega32u4)
+ifeq ($(strip $(CONVERT_TO)), )
     MAGIC_ENABLE = no
     SPACE_CADET_ENABLE = no
     COMBO_ENABLE = no
diff --git a/keyboards/boardsource/lulu/keymaps/vial/rules.mk b/keyboards/boardsource/lulu/keymaps/vial/rules.mk
index 51fa8e55564..a72e398c1a7 100644
--- a/keyboards/boardsource/lulu/keymaps/vial/rules.mk
+++ b/keyboards/boardsource/lulu/keymaps/vial/rules.mk
@@ -3,7 +3,7 @@ VIAL_ENABLE = yes
 
 VIALRGB_ENABLE = yes
 
-ifeq ($(strip $(MCU)), atmega32u4)
+ifeq ($(strip $(CONVERT_TO)), )
     QMK_SETTINGS = no
     COMBO_ENABLE = no
     MOUSEKEY_ENABLE = no
diff --git a/keyboards/handwired/prkl30/keymaps/vial/rules.mk b/keyboards/handwired/prkl30/keymaps/vial/rules.mk
index c852abf313a..0d659f5f7c7 100644
--- a/keyboards/handwired/prkl30/keymaps/vial/rules.mk
+++ b/keyboards/handwired/prkl30/keymaps/vial/rules.mk
@@ -8,6 +8,6 @@ EXTRAKEY_ENABLE = yes
 CONSOLE_ENABLE = no
 COMMAND_ENABLE = no
 
-ifeq ($(strip $(MCU)), atmega32u4)
+ifeq ($(strip $(CONVERT_TO)), )
     QMK_SETTINGS = no
 endif
diff --git a/keyboards/mechwild/bde/rev2/keymaps/vial/rules.mk b/keyboards/mechwild/bde/rev2/keymaps/vial/rules.mk
index 42b4086c0e2..a3d8581a0e0 100644
--- a/keyboards/mechwild/bde/rev2/keymaps/vial/rules.mk
+++ b/keyboards/mechwild/bde/rev2/keymaps/vial/rules.mk
@@ -8,7 +8,7 @@ TAP_DANCE_ENABLE = yes
 GRAVE_ESC_ENABLE = yes
 SPACE_CADET_ENABLE = yes
 
-ifeq ($(strip $(MCU)), atmega32u4)
+ifeq ($(strip $(CONVERT_TO)), )
     QMK_SETTINGS = no
     
     KEY_OVERRIDE_ENABLE = no
diff --git a/keyboards/mechwild/clunker/keymaps/vial/rules.mk b/keyboards/mechwild/clunker/keymaps/vial/rules.mk
index 54f702c20c0..800ae5c4448 100644
--- a/keyboards/mechwild/clunker/keymaps/vial/rules.mk
+++ b/keyboards/mechwild/clunker/keymaps/vial/rules.mk
@@ -3,7 +3,7 @@ VIAL_ENABLE = yes
 LTO_ENABLE = yes
 ENCODER_MAP_ENABLE = yes
 
-ifeq ($(strip $(MCU)), atmega32u4)
+ifeq ($(strip $(CONVERT_TO)), )
     MAGIC_ENABLE = no
     SPACE_CADET_ENABLE = no
     #TAP_DANCE_ENABLE = no    # if space becomes an issue, uncomment
diff --git a/keyboards/mechwild/mokulua/mirrored/keymaps/vial/rules.mk b/keyboards/mechwild/mokulua/mirrored/keymaps/vial/rules.mk
index ac146e01945..cab902dce36 100644
--- a/keyboards/mechwild/mokulua/mirrored/keymaps/vial/rules.mk
+++ b/keyboards/mechwild/mokulua/mirrored/keymaps/vial/rules.mk
@@ -4,7 +4,7 @@ VIAL_ENABLE          = yes
 
 ENCODER_MAP_ENABLE   = yes
 
-ifeq ($(strip $(MCU)), atmega32u4)
+ifeq ($(strip $(CONVERT_TO)), )
     QMK_SETTINGS         = no
 
 	MAGIC_ENABLE         = no
diff --git a/keyboards/mechwild/mokulua/standard/keymaps/vial/rules.mk b/keyboards/mechwild/mokulua/standard/keymaps/vial/rules.mk
index ac146e01945..cab902dce36 100644
--- a/keyboards/mechwild/mokulua/standard/keymaps/vial/rules.mk
+++ b/keyboards/mechwild/mokulua/standard/keymaps/vial/rules.mk
@@ -4,7 +4,7 @@ VIAL_ENABLE          = yes
 
 ENCODER_MAP_ENABLE   = yes
 
-ifeq ($(strip $(MCU)), atmega32u4)
+ifeq ($(strip $(CONVERT_TO)), )
     QMK_SETTINGS         = no
 
 	MAGIC_ENABLE         = no
diff --git a/keyboards/mechwild/murphpad/keymaps/vial/rules.mk b/keyboards/mechwild/murphpad/keymaps/vial/rules.mk
index fefb6942458..17e03def635 100644
--- a/keyboards/mechwild/murphpad/keymaps/vial/rules.mk
+++ b/keyboards/mechwild/murphpad/keymaps/vial/rules.mk
@@ -5,7 +5,7 @@ ENCODER_MAP_ENABLE = yes
 MOUSEKEY_ENABLE = yes
 COMBOS_ENABLE = yes
 
-ifeq ($(strip $(MCU)), atmega32u4)
+ifeq ($(strip $(CONVERT_TO)),)
     QMK_SETTINGS = no
     TAP_DANCE_ENABLE = no
     KEY_OVERRIDE_ENABLE = no
diff --git a/keyboards/reedskeebs/alish40/keymaps/vial/rules.mk b/keyboards/reedskeebs/alish40/keymaps/vial/rules.mk
index 85941abba8e..05000fcd0d1 100644
--- a/keyboards/reedskeebs/alish40/keymaps/vial/rules.mk
+++ b/keyboards/reedskeebs/alish40/keymaps/vial/rules.mk
@@ -2,7 +2,7 @@ ENCODER_MAP_ENABLE = yes
 VIA_ENABLE = yes
 VIAL_ENABLE = yes
 
-ifeq ($(strip $(MCU)), atmega32u4)
+ifeq ($(strip $(CONVERT_TO)), )
     GRAVE_ESC_ENABLE = no
     KEY_OVERRIDE_ENABLE = no
     LTO_ENABLE = yes
diff --git a/keyboards/splitkb/aurora/lily58/rev1/keymaps/vial/rules.mk b/keyboards/splitkb/aurora/lily58/rev1/keymaps/vial/rules.mk
index 840f43bfa37..bfdea065cb2 100644
--- a/keyboards/splitkb/aurora/lily58/rev1/keymaps/vial/rules.mk
+++ b/keyboards/splitkb/aurora/lily58/rev1/keymaps/vial/rules.mk
@@ -5,7 +5,7 @@ VIA_ENABLE = yes
 VIAL_ENABLE = yes
 
 # Saving space on atmega32u4
-ifeq ($(strip $(MCU)), atmega32u4)
+ifeq ($(strip $(CONVERT_TO)), )
     OLED_ENABLE = no
     MOUSEKEY_ENABLE = no
     COMBO_ENABLE = no
diff --git a/keyboards/tweetydabird/lotus58/keymaps/vial/rules.mk b/keyboards/tweetydabird/lotus58/keymaps/vial/rules.mk
index 044dc609d69..024fe29257d 100644
--- a/keyboards/tweetydabird/lotus58/keymaps/vial/rules.mk
+++ b/keyboards/tweetydabird/lotus58/keymaps/vial/rules.mk
@@ -7,7 +7,7 @@ VIAL_ENABLE = yes
 ENCODER_MAP_ENABLE = yes
 
 # Reduce size on atmega32u4
-ifeq ($(strip $(MCU)), atmega32u4)
+ifeq ($(strip $(CONVERT_TO)), )
     TAP_DANCE_ENABLE = no
     QMK_SETTINGS = no
     KEY_OVERRIDE_ENABLE = no