diff --git a/Makefile b/Makefile
index 08239e40..11c86d00 100644
--- a/Makefile
+++ b/Makefile
@@ -56,7 +56,7 @@ libcyclone.so.1: runtime.c runtime.h
 	gcc -shared -Wl,-soname,libcyclone.so.1 -o libcyclone.so.1.0.1 runtime.o
 libcyclone.a: runtime.c runtime.h dispatch.c
 	$(CC) -g -c dispatch.c -o dispatch.o
-	$(CC) -g -c -DCYC_INSTALL_DIR=\"$(PREFIX)\" runtime.c -o runtime.o
+	$(CC) -g -c -DCYC_INSTALL_DIR=\"$(PREFIX)\" -DCYC_INSTALL_SLD=\"/share/cyclone\" runtime.c -o runtime.o
 	$(AR) rcs libcyclone.a runtime.o dispatch.o
 # Instructions from: http://www.adp-gmbh.ch/cpp/gcc/create_lib.html
 # Note compiler will have to link to this, eg:
diff --git a/runtime.c b/runtime.c
index 819a1fe8..f253041e 100644
--- a/runtime.c
+++ b/runtime.c
@@ -946,8 +946,14 @@ string_type Cyc_installation_dir(object type) {
   // TODO: need to handle 'inc 'lib 'sld and return appropriate dir.
   // EG: if 'sld, return (CYC_INSTALL_DIR "/" CYC_SLD_DIR)
   // need to use directives from makefile
-  make_string(str, CYC_INSTALL_DIR);
-  return str;
+  if (Cyc_is_symbol(type) == boolean_t &&
+      strncmp(((symbol)type)->pname, "sld", 5) == 0) {
+    make_string(str, CYC_INSTALL_SLD); // TODO: prepend INSTALL_DIR + "/"
+    return str;
+  } else {
+    make_string(str, CYC_INSTALL_DIR);
+    return str;
+  }
 }
 
 /**