diff --git a/cde/lib/DtTerm/Imakefile b/cde/lib/DtTerm/Imakefile
index 8d502d7f7..f4d86a669 100644
--- a/cde/lib/DtTerm/Imakefile
+++ b/cde/lib/DtTerm/Imakefile
@@ -25,6 +25,11 @@ INCLUDES = -I. -I./TermPrim -I./Term -I./TermView
 REQUIREDLIBS = SharedDtTermReqs
 #endif
 
+/* for openpty */
+#if defined(OpenBSDArchitecture)
+REQUIREDLIBS += -lutil
+#endif
+
 TERMPRIM_OBJS = \
 	TermPrim/TermPrim.o \
 	TermPrim/TermPrimAction.o \
diff --git a/cde/lib/DtTerm/TermPrim/TermPrimGetPty-bsd.c b/cde/lib/DtTerm/TermPrim/TermPrimGetPty-bsd.c
index b8bfd3a03..8507cdf3b 100644
--- a/cde/lib/DtTerm/TermPrim/TermPrimGetPty-bsd.c
+++ b/cde/lib/DtTerm/TermPrim/TermPrimGetPty-bsd.c
@@ -37,6 +37,9 @@ static char rcs_id[] = "$XConsortium: TermPrimGetPty-bsd.c /main/4 1996/11/21 19
 #include "TermHeader.h"
 #include <fcntl.h>
 #include <termios.h>
+#if defined(OPENBSD_ARCHITECTURE)
+#include <util.h>
+#endif
 #include <sys/wait.h>
 #include <ctype.h>
 #include <errno.h>
@@ -166,7 +169,7 @@ static struct _pty_dirs {
     {PTY_null,    PTY_null,     PTY_null,   PTY_null,   PTY_null, False},
 };
 
-#if defined(ALPHA_ARCHITECTURE) || defined(OpenBSDArchitecture)
+#if defined(ALPHA_ARCHITECTURE) || defined(OPENBSD_ARCHITECTURE)
 /* Use openpty() to open Master/Slave pseudo-terminal pair */
 /* Current version of openpty() uses non-STREAM device. BSD name space */
 #define TTYNAMELEN      25
diff --git a/cde/programs/dtterm/util/logger.c b/cde/programs/dtterm/util/logger.c
index 0f51669d4..dc5c8cca1 100644
--- a/cde/programs/dtterm/util/logger.c
+++ b/cde/programs/dtterm/util/logger.c
@@ -72,7 +72,7 @@ main(int argc, char **argv)
     }
 
     /* init data... */
-#if defined(USL) || defined(__uxp__) || defined(linux)
+#if defined(USL) || defined(__uxp__) || defined(linux) || defined(CSRG_BASED)
     (void) memset((void *) &myaddr_in, (int) '\0', sizeof(myaddr_in));
 #else
     (void) memset(myaddr_in, '\0', sizeof(myaddr_in));