diff --git a/Makefile b/Makefile
index daf4aaf65e..9e663fc9ad 100644
--- a/Makefile
+++ b/Makefile
@@ -349,8 +349,10 @@ $(TARGET_BIN): $(TARGET_UNPATCHED_BIN)
 	$(OBJCOPY) $(TARGET_ELF) $(TARGET_EXST_ELF) --update-section .exst_hash=$(TARGET_EXST_HASH_SECTION_FILE)
 
 $(TARGET_HEX): $(TARGET_BIN)
-	@echo "Creating EXST HEX from patched EXST ELF $(TARGET_HEX)" "$(STDOUT)"
-	$(V1) $(OBJCOPY) -O ihex --set-start 0x8000000 $(TARGET_EXST_ELF) $@
+	$(if $(EXST_ADJUST_VMA),,$(error "EXST_ADJUST_VMA not specified"))
+
+	@echo "Creating EXST HEX from patched EXST ELF $(TARGET_HEX), VMA Adjust $(EXST_ADJUST_VMA)" "$(STDOUT)"
+	$(V1) $(OBJCOPY) -O ihex --adjust-vma=$(EXST_ADJUST_VMA) --gap-fill=0x00 --pad-to=$(shell echo "$(FIRMWARE_SIZE)" | awk '{printf("0x%08x", (1024*$$1) + $(EXST_ADJUST_VMA));}') $(TARGET_EXST_ELF) $@
 
 endif
 
diff --git a/src/main/target/SPRACINGH7EXTREME/target.mk b/src/main/target/SPRACINGH7EXTREME/target.mk
index 28025721b6..6530f82a36 100644
--- a/src/main/target/SPRACINGH7EXTREME/target.mk
+++ b/src/main/target/SPRACINGH7EXTREME/target.mk
@@ -5,6 +5,9 @@ HSE_VALUE    = 8000000
 FEATURES       += VCP ONBOARDFLASH SDCARD_SDIO
 
 EXST = yes
+# flash address 0x97CE0000 - code_ram address (0x24010000) = 0x73CD0000 
+EXST_ADJUST_VMA = 0x73CD0000
+
 
 TARGET_SRC += \
             drivers/bus_quadspi_hal.c \
diff --git a/src/main/target/SPRACINGH7NANO/target.mk b/src/main/target/SPRACINGH7NANO/target.mk
index 3560f6f401..68a9f25b02 100644
--- a/src/main/target/SPRACINGH7NANO/target.mk
+++ b/src/main/target/SPRACINGH7NANO/target.mk
@@ -3,6 +3,8 @@ H750xB_TARGETS += $(TARGET)
 HSE_VALUE    = 8000000
 
 EXST = yes
+# flash address 0x97CE0000 - code_ram address (0x24010000) = 0x73CD0000 
+EXST_ADJUST_VMA = 0x73CD0000
 
 FEATURES       += VCP ONBOARDFLASH
 
diff --git a/src/main/target/SPRACINGH7ZERO/target.mk b/src/main/target/SPRACINGH7ZERO/target.mk
index 8296e1d016..5b6cb7ccb6 100644
--- a/src/main/target/SPRACINGH7ZERO/target.mk
+++ b/src/main/target/SPRACINGH7ZERO/target.mk
@@ -3,6 +3,8 @@ H750xB_TARGETS += $(TARGET)
 HSE_VALUE    = 8000000
 
 EXST = yes
+# flash address 0x97CE0000 - code_ram address (0x24010000) = 0x73CD0000 
+EXST_ADJUST_VMA = 0x73CD0000
 
 FEATURES       += VCP ONBOARDFLASH SDCARD_SDIO