diff --git a/src/stack_trace.c b/src/stack_trace.c
index 002247d..2421f92 100644
--- a/src/stack_trace.c
+++ b/src/stack_trace.c
@@ -22,11 +22,13 @@ struct KernAux_StackTrace_Frame KernAux_StackTrace_Frame_create()
     struct KernAux_StackTrace_Frame frame = { .cur_ptr = NULL };
 
 #if defined(ASM_I386)
-    const size_t *cur_ptr = frame.cur_ptr;
+    const size_t *cur_ptr;
     KERNAUX_ASM("movl %%ebp, %0" : "=g" (cur_ptr) :: "memory");
+    frame.cur_ptr = cur_ptr;
 #elif defined(ASM_X86_64)
-    const size_t *cur_ptr = frame.cur_ptr;
+    const size_t *cur_ptr;
     KERNAUX_ASM("movq %%rbp, %0" : "=g" (cur_ptr) :: "memory");
+    frame.cur_ptr = cur_ptr;
 #endif
 
     return frame;
diff --git a/tests/test_stack_trace.c b/tests/test_stack_trace.c
index 02979a0..8381a91 100644
--- a/tests/test_stack_trace.c
+++ b/tests/test_stack_trace.c
@@ -39,6 +39,7 @@ static const void *max_addresses[MAX_SIZE];
             ++lower##_count; \
         } \
 \
+        assert(lower##_count >= 2); \
         putchar('\n'); \
     } while (0)