diff --git a/slsDetectorSoftware/CMakeLists.txt b/slsDetectorSoftware/CMakeLists.txt
index 5b8335387..f8085e81c 100755
--- a/slsDetectorSoftware/CMakeLists.txt
+++ b/slsDetectorSoftware/CMakeLists.txt
@@ -14,6 +14,7 @@ add_library(slsDetectorObject OBJECT
 
 target_include_directories(slsDetectorObject PUBLIC
     "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>"
+    "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../slsSupportLib/opensslMd5>"
     "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
 )
 
diff --git a/slsDetectorSoftware/src/Module.cpp b/slsDetectorSoftware/src/Module.cpp
index b021c5634..6c521a4c6 100644
--- a/slsDetectorSoftware/src/Module.cpp
+++ b/slsDetectorSoftware/src/Module.cpp
@@ -3415,10 +3415,10 @@ sls_detector_module Module::readSettingsFile(const std::string &fname,
 std::string Module::calculateChecksum(char *buffer, ssize_t bytes) {
     MD5_CTX c;
     MD5_Init(&c);
-    MD5_Update(&c, bufer, bytes);
+    MD5_Update(&c, buffer, bytes);
     unsigned char out[MD5_DIGEST_LENGTH];
     MD5_Final(out, &c);
-    return std::string(out);
+    return std::string(reinterpret_cast<char const *>(out));
 }
 
 void Module::programFPGAviaBlackfin(std::vector<char> buffer,