diff --git a/src/sinqAxis.h b/src/sinqAxis.h
index ba6069d..d9c6a34 100644
--- a/src/sinqAxis.h
+++ b/src/sinqAxis.h
@@ -709,9 +709,9 @@ template <typename A, typename C, size_t N>
 asynStatus getAxisParam(A *axis, C *controller, const char *indexName,
                         int (C::*func)(), char (*readValue)[N],
                         const char *callerFunctionName, int lineNumber) {
-    return getAxisParamImpl(axis, controller, indexName, func,
-                            static_cast<char *>(readValue), callerFunctionName,
-                            lineNumber, sizeof(readValue), TypeTag<char>{});
+    return getAxisParamImpl(axis, controller, indexName, func, *readValue,
+                            callerFunctionName, lineNumber, sizeof(readValue),
+                            TypeTag<char>{});
 }
 
 /**