diff --git a/sat/cli/bootprep/input/session_template.py b/sat/cli/bootprep/input/session_template.py
index faec62d0..598f083a 100644
--- a/sat/cli/bootprep/input/session_template.py
+++ b/sat/cli/bootprep/input/session_template.py
@@ -115,10 +115,9 @@ def validate_rootfs_provider_has_value(self, **_):
         Raises:
             InputItemValidateError: if the rootfs_provider is an empty string
         """
-        if not self.boot_sets['rootfs_provider']:
-            return
-        else:
-            raise InputItemValidateError(f'The value of rootfs_provider cannot be an empty string')
+        for boot_set in self.boot_sets.values():
+            if not boot_set['rootfs_provider']:
+                raise InputItemValidateError(f'The value of rootfs_provider cannot be an empty string')
 
     @Validatable.validation_method()
     def validate_rootfs_provider_passthrough_has_value(self, **_):
@@ -127,10 +126,9 @@ def validate_rootfs_provider_passthrough_has_value(self, **_):
         Raises:
             InputItemValidateError: if the rootfs_provider_passthrough is an empty string
         """
-        if not self.boot_sets['rootfs_provider_passthrough']:
-            return
-        else:
-            raise InputItemValidateError(f'The value of rootfs_provider_passthrough cannot be an empty string')
+        for boot_set in self.boot_sets.values():
+            if not boot_set['rootfs_provider_passthrough']:
+                raise InputItemValidateError(f'The value of rootfs_provider_passthrough cannot be an empty string')
 
     @Validatable.validation_method()
     def validate_configuration_exists(self, **_):