diff --git a/tests/subsys/llext/simple/prj.conf b/tests/subsys/llext/simple/prj.conf
index 2105b798cab..5ad4b4e1f4b 100644
--- a/tests/subsys/llext/simple/prj.conf
+++ b/tests/subsys/llext/simple/prj.conf
@@ -2,7 +2,7 @@ CONFIG_ZTEST=y
 CONFIG_ZTEST_STACK_SIZE=4096
 CONFIG_LOG=y
 CONFIG_LLEXT=y
-CONFIG_LLEXT_HEAP_SIZE=16
+CONFIG_LLEXT_HEAP_SIZE=32
 CONFIG_LLEXT_LOG_LEVEL_DBG=y
 
 CONFIG_APPLICATION_DEFINED_SYSCALL=y