diff --git a/tests/benchmarks/app_kernel/prj.conf b/tests/benchmarks/app_kernel/prj.conf
index 4145870cd4a..de9082438d5 100644
--- a/tests/benchmarks/app_kernel/prj.conf
+++ b/tests/benchmarks/app_kernel/prj.conf
@@ -12,3 +12,4 @@ CONFIG_FORCE_NO_ASSERT=y
 # Disable HW Stack Protection (see #28664)
 CONFIG_TEST_HW_STACK_PROTECTION=n
 CONFIG_HW_STACK_PROTECTION=n
+CONFIG_CBPRINTF_FP_SUPPORT=y
diff --git a/tests/kernel/fpu_sharing/generic/prj.conf b/tests/kernel/fpu_sharing/generic/prj.conf
index aec34b14e69..131bda8302a 100644
--- a/tests/kernel/fpu_sharing/generic/prj.conf
+++ b/tests/kernel/fpu_sharing/generic/prj.conf
@@ -2,3 +2,4 @@ CONFIG_ZTEST=y
 CONFIG_FPU=y
 CONFIG_FPU_SHARING=y
 CONFIG_STDOUT_CONSOLE=y
+CONFIG_CBPRINTF_FP_SUPPORT=y