diff --git a/scripts/regression/regression.mk b/scripts/regression/regression.mk
index 20234cf..8e3fba8 100644
--- a/scripts/regression/regression.mk
+++ b/scripts/regression/regression.mk
@@ -13,7 +13,7 @@ regression_random_linux:
 	cd ../..
 	export VEXRISCV_REGRESSION_CONFIG_COUNT=3
 	export VEXRISCV_REGRESSION_CONFIG_LINUX_RATE=1.0
-	export VEXRISCV_REGRESSION_CONFIG_SECURE_RATE = 0.0
+	export VEXRISCV_REGRESSION_CONFIG_SECURE_RATE=0.0
 	export VEXRISCV_REGRESSION_FREERTOS_COUNT=1
 	export VEXRISCV_REGRESSION_ZEPHYR_COUNT=2
 	export VEXRISCV_REGRESSION_THREAD_COUNT=1
@@ -25,7 +25,7 @@ regression_random_machine_os:
 	export VEXRISCV_REGRESSION_CONFIG_COUNT=15
 	export VEXRISCV_REGRESSION_CONFIG_LINUX_RATE=0.0
 	export VEXRISCV_REGRESSION_CONFIG_MACHINE_OS_RATE=1.0
-	export VEXRISCV_REGRESSION_CONFIG_SECURE_RATE = 0.0
+	export VEXRISCV_REGRESSION_CONFIG_SECURE_RATE=0.0
 	export VEXRISCV_REGRESSION_FREERTOS_COUNT=1
 	export VEXRISCV_REGRESSION_ZEPHYR_COUNT=2
 	export VEXRISCV_REGRESSION_THREAD_COUNT=1
@@ -36,7 +36,7 @@ regression_random_baremetal:
 	export VEXRISCV_REGRESSION_CONFIG_COUNT=40
 	export VEXRISCV_REGRESSION_CONFIG_LINUX_RATE=0.0
 	export VEXRISCV_REGRESSION_CONFIG_MACHINE_OS_RATE=0.0
-	export VEXRISCV_REGRESSION_CONFIG_SECURE_RATE = 0.0
+	export VEXRISCV_REGRESSION_CONFIG_SECURE_RATE=0.0
 	export VEXRISCV_REGRESSION_FREERTOS_COUNT=1
 	export VEXRISCV_REGRESSION_ZEPHYR_COUNT=no
 	export VEXRISCV_REGRESSION_THREAD_COUNT=1