diff --git a/slsDetectorSoftware/CMakeLists.txt b/slsDetectorSoftware/CMakeLists.txt
index 62aebfce3..04f30d27f 100755
--- a/slsDetectorSoftware/CMakeLists.txt
+++ b/slsDetectorSoftware/CMakeLists.txt
@@ -31,9 +31,7 @@ target_link_libraries(slsDetectorObject
     PRIVATE
         slsProjectWarnings
 )
-#RH8 glibc 2.28, RH9 glibc 2.34 linking rt is only needed with glibc < 2.34
-#but we do it for all Linux builds to avoid too many conditionals
-target_link_libraries (slsDetectorObject PUBLIC $<$<PLATFORM_ID:Linux>:rt>) 
+
 
 set(DETECTOR_LIBRARY_TARGETS slsDetectorObject)
 
diff --git a/slsSupportLib/CMakeLists.txt b/slsSupportLib/CMakeLists.txt
index cb7d56f19..f7480f2d5 100755
--- a/slsSupportLib/CMakeLists.txt
+++ b/slsSupportLib/CMakeLists.txt
@@ -99,6 +99,10 @@ target_link_libraries(slsSupportObject
     md5sls     
 )
 
+#RH8 glibc 2.28, RH9 glibc 2.34 linking rt is only needed with glibc < 2.34
+#but we do it for all Linux builds to avoid too many conditionals
+target_link_libraries (slsSupportObject PUBLIC $<$<PLATFORM_ID:Linux>:rt>) 
+
 #Treat both vendored and system zmq as interface for receiver binaries
 if(SLS_USE_SYSTEM_ZMQ)
     message(STATUS "slsSupportLib using ZEROMQ_TARGET=${ZEROMQ_TARGET}")