diff --git a/src/opencl_wpapmk_fmt_plug.c b/src/opencl_wpapmk_fmt_plug.c
index 822d93b063..827367136e 100644
--- a/src/opencl_wpapmk_fmt_plug.c
+++ b/src/opencl_wpapmk_fmt_plug.c
@@ -198,7 +198,7 @@ static char* get_key(int index)
 
 static void init(struct fmt_main *_self)
 {
-	static char valgo[32] = "";
+	static char valgo[sizeof(ALGORITHM_NAME) + 12] = "";
 
 	self = _self;
 
diff --git a/src/opencl_wpapsk_fmt_plug.c b/src/opencl_wpapsk_fmt_plug.c
index 334724d0b5..a3142ae04e 100644
--- a/src/opencl_wpapsk_fmt_plug.c
+++ b/src/opencl_wpapsk_fmt_plug.c
@@ -214,7 +214,7 @@ static char* get_key(int index)
 
 static void init(struct fmt_main *_self)
 {
-	static char valgo[32] = "";
+	static char valgo[sizeof(ALGORITHM_NAME) + 12] = "";
 
 	self = _self;