diff --git a/src/pl/plperl/SPI.xs b/src/pl/plperl/SPI.xs
index 6b8dcf62990ef0ed670bd8ed7117a67f48bbe269..0447c50df19937a25cc8299f3edea3a52c4d5075 100644
--- a/src/pl/plperl/SPI.xs
+++ b/src/pl/plperl/SPI.xs
@@ -41,7 +41,7 @@ do_plperl_return_next(SV *sv)
 		FlushErrorState();
 
 		/* Punt the error to Perl */
-		croak("%s", edata->message);
+		croak_cstr(edata->message);
 	}
 	PG_END_TRY();
 }
diff --git a/src/pl/plperl/Util.xs b/src/pl/plperl/Util.xs
index b2e0dfcf75d30fd9bff1fabd6f3c46928e4f8656..8c3c47fec9f66e84e51d3b9f608db6818bb0ddf1 100644
--- a/src/pl/plperl/Util.xs
+++ b/src/pl/plperl/Util.xs
@@ -58,7 +58,7 @@ do_util_elog(int level, SV *msg)
 			pfree(cmsg);
 
 		/* Punt the error to Perl */
-		croak("%s", edata->message);
+		croak_cstr(edata->message);
 	}
 	PG_END_TRY();
 }
diff --git a/src/pl/plperl/expected/plperl_elog.out b/src/pl/plperl/expected/plperl_elog.out
index 3f9449a9659b48b77232e5819c5c0b445dc41582..a6d35cb79c4f981d132adda22b92f05a6aa54505 100644
--- a/src/pl/plperl/expected/plperl_elog.out
+++ b/src/pl/plperl/expected/plperl_elog.out
@@ -97,3 +97,16 @@ NOTICE:  caught die
                    2
 (1 row)
 
+-- Test non-ASCII error messages
+--
+-- Note: this test case is known to fail if the database encoding is
+-- EUC_CN, EUC_JP, EUC_KR, or EUC_TW, for lack of any equivalent to
+-- U+00A0 (no-break space) in those encodings.  However, testing with
+-- plain ASCII data would be rather useless, so we must live with that.
+SET client_encoding TO UTF8;
+create or replace function error_with_nbsp() returns void language plperl as $$
+  elog(ERROR, "this message contains a no-break space");
+$$;
+select error_with_nbsp();
+ERROR:  this message contains a no-break space at line 2.
+CONTEXT:  PL/Perl function "error_with_nbsp"
diff --git a/src/pl/plperl/expected/plperl_elog_1.out b/src/pl/plperl/expected/plperl_elog_1.out
index 34d5d5836da22e77aca57018bf82657b5fd9f82d..85aa460ec4c2c539ab81908f932fcc01675d4651 100644
--- a/src/pl/plperl/expected/plperl_elog_1.out
+++ b/src/pl/plperl/expected/plperl_elog_1.out
@@ -97,3 +97,16 @@ NOTICE:  caught die
                    2
 (1 row)
 
+-- Test non-ASCII error messages
+--
+-- Note: this test case is known to fail if the database encoding is
+-- EUC_CN, EUC_JP, EUC_KR, or EUC_TW, for lack of any equivalent to
+-- U+00A0 (no-break space) in those encodings.  However, testing with
+-- plain ASCII data would be rather useless, so we must live with that.
+SET client_encoding TO UTF8;
+create or replace function error_with_nbsp() returns void language plperl as $$
+  elog(ERROR, "this message contains a no-break space");
+$$;
+select error_with_nbsp();
+ERROR:  this message contains a no-break space at line 2.
+CONTEXT:  PL/Perl function "error_with_nbsp"
diff --git a/src/pl/plperl/plperl.c b/src/pl/plperl/plperl.c
index 296d17dbbb3ee592b2974392a03011c99c4e0e59..65f2d242a0f77ded155638b2fa3ef1cd770fc744 100644
--- a/src/pl/plperl/plperl.c
+++ b/src/pl/plperl/plperl.c
@@ -3066,7 +3066,7 @@ plperl_spi_exec(char *query, int limit)
 		SPI_restore_connection();
 
 		/* Punt the error to Perl */
-		croak("%s", edata->message);
+		croak_cstr(edata->message);
 
 		/* Can't get here, but keep compiler quiet */
 		return NULL;
@@ -3299,7 +3299,7 @@ plperl_spi_query(char *query)
 		SPI_restore_connection();
 
 		/* Punt the error to Perl */
-		croak("%s", edata->message);
+		croak_cstr(edata->message);
 
 		/* Can't get here, but keep compiler quiet */
 		return NULL;
@@ -3385,7 +3385,7 @@ plperl_spi_fetchrow(char *cursor)
 		SPI_restore_connection();
 
 		/* Punt the error to Perl */
-		croak("%s", edata->message);
+		croak_cstr(edata->message);
 
 		/* Can't get here, but keep compiler quiet */
 		return NULL;
@@ -3560,7 +3560,7 @@ plperl_spi_prepare(char *query, int argc, SV **argv)
 		SPI_restore_connection();
 
 		/* Punt the error to Perl */
-		croak("%s", edata->message);
+		croak_cstr(edata->message);
 
 		/* Can't get here, but keep compiler quiet */
 		return NULL;
@@ -3701,7 +3701,7 @@ plperl_spi_exec_prepared(char *query, HV *attr, int argc, SV **argv)
 		SPI_restore_connection();
 
 		/* Punt the error to Perl */
-		croak("%s", edata->message);
+		croak_cstr(edata->message);
 
 		/* Can't get here, but keep compiler quiet */
 		return NULL;
@@ -3830,7 +3830,7 @@ plperl_spi_query_prepared(char *query, int argc, SV **argv)
 		SPI_restore_connection();
 
 		/* Punt the error to Perl */
-		croak("%s", edata->message);
+		croak_cstr(edata->message);
 
 		/* Can't get here, but keep compiler quiet */
 		return NULL;
diff --git a/src/pl/plperl/plperl_helpers.h b/src/pl/plperl/plperl_helpers.h
index fab0a7ba0816565f4219c870f20d163944885b55..f8aa06835ce5cf4ddc104ca9c50dd799d60b69a6 100644
--- a/src/pl/plperl/plperl_helpers.h
+++ b/src/pl/plperl/plperl_helpers.h
@@ -123,4 +123,42 @@ cstr2sv(const char *str)
 	return sv;
 }
 
+/*
+ * croak() with specified message, which is given in the database encoding.
+ *
+ * Ideally we'd just write croak("%s", str), but plain croak() does not play
+ * nice with non-ASCII data.  In modern Perl versions we can call cstr2sv()
+ * and pass the result to croak_sv(); in versions that don't have croak_sv(),
+ * we have to work harder.
+ */
+static inline void
+croak_cstr(const char *str)
+{
+#ifdef croak_sv
+	/* Use sv_2mortal() to be sure the transient SV gets freed */
+	croak_sv(sv_2mortal(cstr2sv(str)));
+#else
+
+	/*
+	 * The older way to do this is to assign a UTF8-marked value to ERRSV and
+	 * then call croak(NULL).  But if we leave it to croak() to append the
+	 * error location, it does so too late (only after popping the stack) in
+	 * some Perl versions.  Hence, use mess() to create an SV with the error
+	 * location info already appended.
+	 */
+	SV		   *errsv = get_sv("@", GV_ADD);
+	char	   *utf8_str = utf_e2u(str);
+	SV		   *ssv;
+
+	ssv = mess("%s", utf8_str);
+	SvUTF8_on(ssv);
+
+	pfree(utf8_str);
+
+	sv_setsv(errsv, ssv);
+
+	croak(NULL);
+#endif   /* croak_sv */
+}
+
 #endif   /* PL_PERL_HELPERS_H */
diff --git a/src/pl/plperl/sql/plperl_elog.sql b/src/pl/plperl/sql/plperl_elog.sql
index 032fd8b8ba74a570bafc1e00a7f91ddb697567be..9ea1350069b86a3afc3c9555b01ec32ef1595af5 100644
--- a/src/pl/plperl/sql/plperl_elog.sql
+++ b/src/pl/plperl/sql/plperl_elog.sql
@@ -76,3 +76,18 @@ return $a + $b;
 $$;
 
 select indirect_die_caller();
+
+-- Test non-ASCII error messages
+--
+-- Note: this test case is known to fail if the database encoding is
+-- EUC_CN, EUC_JP, EUC_KR, or EUC_TW, for lack of any equivalent to
+-- U+00A0 (no-break space) in those encodings.  However, testing with
+-- plain ASCII data would be rather useless, so we must live with that.
+
+SET client_encoding TO UTF8;
+
+create or replace function error_with_nbsp() returns void language plperl as $$
+  elog(ERROR, "this message contains a no-break space");
+$$;
+
+select error_with_nbsp();