6 files changed, 6 insertions, 6 deletions
diff --git a/src/backend/bootstrap/bootparse.y b/src/backend/bootstrap/bootparse.y
index eeffb0f990d..0bd3aef7b85 100644
--- a/src/backend/bootstrap/bootparse.y
+++ b/src/backend/bootstrap/bootparse.y
@@ -93,7 +93,7 @@ static int num_columns_read = 0;
 %}
 
 %expect 0
-%name-prefix="boot_yy"
+%name-prefix "boot_yy"
 
 %union
 {
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index 8db1e228206..0f9b72a3ff5 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -148,7 +148,7 @@ static void processCASbits(int cas_bits, int location, const char *constrType,
 
 %pure-parser
 %expect 0
-%name-prefix="base_yy"
+%name-prefix "base_yy"
 %locations
 
 %parse-param {core_yyscan_t yyscanner}
diff --git a/src/backend/replication/repl_gram.y b/src/backend/replication/repl_gram.y
index b6cfdac1b66..72c984379c6 100644
--- a/src/backend/replication/repl_gram.y
+++ b/src/backend/replication/repl_gram.y
@@ -51,7 +51,7 @@ Node *replication_parse_result;
 %}
 
 %expect 0
-%name-prefix="replication_yy"
+%name-prefix "replication_yy"
 
 %union {
 		char					*str;
diff --git a/src/interfaces/ecpg/preproc/ecpg.header b/src/interfaces/ecpg/preproc/ecpg.header
index 75538e3bd96..4db55eb8d7e 100644
--- a/src/interfaces/ecpg/preproc/ecpg.header
+++ b/src/interfaces/ecpg/preproc/ecpg.header
@@ -557,7 +557,7 @@ add_typedef(char *name, char *dimension, char *length, enum ECPGttype type_enum,
 %}
 
 %expect 0
-%name-prefix="base_yy"
+%name-prefix "base_yy"
 %locations
 
 %union {
diff --git a/src/pl/plpgsql/src/gram.y b/src/pl/plpgsql/src/gram.y
index 4b2dce8cf07..52cbfa60af9 100644
--- a/src/pl/plpgsql/src/gram.y
+++ b/src/pl/plpgsql/src/gram.y
@@ -110,7 +110,7 @@ static	List			*read_raise_options(void);
 %}
 
 %expect 0
-%name-prefix="plpgsql_yy"
+%name-prefix "plpgsql_yy"
 %locations
 
 %union {
diff --git a/src/test/isolation/specparse.y b/src/test/isolation/specparse.y
index bf3a9f3b505..c10ec039724 100644
--- a/src/test/isolation/specparse.y
+++ b/src/test/isolation/specparse.y
@@ -20,7 +20,7 @@ TestSpec		parseresult;			/* result of parsing is left here */
 %}
 
 %expect 0
-%name-prefix="spec_yy"
+%name-prefix "spec_yy"
 
 %union
 {