diff --git a/drivers/flash/flash_stm32_qspi.c b/drivers/flash/flash_stm32_qspi.c
index 768699e2bc0..3408cb7ae9e 100644
--- a/drivers/flash/flash_stm32_qspi.c
+++ b/drivers/flash/flash_stm32_qspi.c
@@ -311,6 +311,11 @@ static int flash_stm32_qspi_read(const struct device *dev, off_t addr,
 		return -EINVAL;
 	}
 
+	/* read non-zero size */
+	if (!size) {
+		return 0;
+	}
+
 	QSPI_CommandTypeDef cmd = {
 		.Instruction = SPI_NOR_CMD_READ,
 		.Address = addr,
@@ -359,6 +364,11 @@ static int flash_stm32_qspi_write(const struct device *dev, off_t addr,
 		return -EINVAL;
 	}
 
+	/* write non-zero size */
+	if (!size) {
+		return 0;
+	}
+
 	QSPI_CommandTypeDef cmd_write_en = {
 		.Instruction = SPI_NOR_CMD_WREN,
 		.InstructionMode = QSPI_INSTRUCTION_1_LINE,
@@ -429,6 +439,11 @@ static int flash_stm32_qspi_erase(const struct device *dev, off_t addr,
 		return -EINVAL;
 	}
 
+	/* erase non-zero size */
+	if (!size) {
+		return 0;
+	}
+
 	QSPI_CommandTypeDef cmd_write_en = {
 		.Instruction = SPI_NOR_CMD_WREN,
 		.InstructionMode = QSPI_INSTRUCTION_1_LINE,