diff --git a/src/cxxTemplates/resourceLib.h b/src/cxxTemplates/resourceLib.h
index 72161fac1..9dade14cd 100644
--- a/src/cxxTemplates/resourceLib.h
+++ b/src/cxxTemplates/resourceLib.h
@@ -255,7 +255,7 @@ private:
 //
 // character string identifier
 //
-class stringId {
+class epicsShareClass stringId {
 public:
 
 	class dynamicMemoryAllocationFailed {}; // exception
@@ -769,7 +769,6 @@ stringId::stringId (const char * idIn, allocationType typeIn) :
 //
 const unsigned stringId::minIndexBitWidth = 8;
 
-
 //
 // const unsigned stringId::maxIndexBitWidth
 //
diff --git a/src/libCom/cxxTemplates/resourceLib.h b/src/libCom/cxxTemplates/resourceLib.h
index 72161fac1..9dade14cd 100644
--- a/src/libCom/cxxTemplates/resourceLib.h
+++ b/src/libCom/cxxTemplates/resourceLib.h
@@ -255,7 +255,7 @@ private:
 //
 // character string identifier
 //
-class stringId {
+class epicsShareClass stringId {
 public:
 
 	class dynamicMemoryAllocationFailed {}; // exception
@@ -769,7 +769,6 @@ stringId::stringId (const char * idIn, allocationType typeIn) :
 //
 const unsigned stringId::minIndexBitWidth = 8;
 
-
 //
 // const unsigned stringId::maxIndexBitWidth
 //