diff --git a/dsp/q6asm.c b/dsp/q6asm.c
index 38ddc88b0f24..0569d1572bec 100644
--- a/dsp/q6asm.c
+++ b/dsp/q6asm.c
@@ -952,7 +952,7 @@ int q6asm_unmap_rtac_block(uint32_t *mem_map_handle)
 			__func__, result2);
 		result = result2;
 	} else {
-		mem_map_handle = 0;
+		*mem_map_handle = 0;
 	}
 
 	result2 = q6asm_mmap_apr_dereg();