diff --git a/doc/src/sgml/ecpg.sgml b/doc/src/sgml/ecpg.sgml
index 8fe4013481..98148eba9e 100644
--- a/doc/src/sgml/ecpg.sgml
+++ b/doc/src/sgml/ecpg.sgml
@@ -1646,7 +1646,7 @@ while (1)
     <para>
      Here is an example using the data type <type>complex</type> from
      the example in <xref linkend="xtypes">.  The external string
-     representation of that type is <literal>(%lf,%lf)</literal>,
+     representation of that type is <literal>(%f,%f)</literal>,
      which is defined in the
      functions <function>complex_in()</function>
      and <function>complex_out()</function> functions
diff --git a/src/interfaces/ecpg/test/compat_informix/sqlda.pgc b/src/interfaces/ecpg/test/compat_informix/sqlda.pgc
index e1142d2b22..de0af58ec8 100644
--- a/src/interfaces/ecpg/test/compat_informix/sqlda.pgc
+++ b/src/interfaces/ecpg/test/compat_informix/sqlda.pgc
@@ -37,7 +37,7 @@ dump_sqlda(sqlda_t *sqlda)
 			printf("name sqlda descriptor: '%s' value %d\n", sqlda->sqlvar[i].sqlname, *(int *)sqlda->sqlvar[i].sqldata);
 			break;
 		case SQLFLOAT:
-			printf("name sqlda descriptor: '%s' value %lf\n", sqlda->sqlvar[i].sqlname, *(double *)sqlda->sqlvar[i].sqldata);
+			printf("name sqlda descriptor: '%s' value %f\n", sqlda->sqlvar[i].sqlname, *(double *)sqlda->sqlvar[i].sqldata);
 			break;
 		case SQLDECIMAL:
 			{
diff --git a/src/interfaces/ecpg/test/expected/compat_informix-sqlda.c b/src/interfaces/ecpg/test/expected/compat_informix-sqlda.c
index 1f316fbd7c..241c3c2cc6 100644
--- a/src/interfaces/ecpg/test/expected/compat_informix-sqlda.c
+++ b/src/interfaces/ecpg/test/expected/compat_informix-sqlda.c
@@ -142,7 +142,7 @@ dump_sqlda(sqlda_t *sqlda)
 			printf("name sqlda descriptor: '%s' value %d\n", sqlda->sqlvar[i].sqlname, *(int *)sqlda->sqlvar[i].sqldata);
 			break;
 		case SQLFLOAT:
-			printf("name sqlda descriptor: '%s' value %lf\n", sqlda->sqlvar[i].sqlname, *(double *)sqlda->sqlvar[i].sqldata);
+			printf("name sqlda descriptor: '%s' value %f\n", sqlda->sqlvar[i].sqlname, *(double *)sqlda->sqlvar[i].sqldata);
 			break;
 		case SQLDECIMAL:
 			{
diff --git a/src/interfaces/ecpg/test/expected/preproc-outofscope.c b/src/interfaces/ecpg/test/expected/preproc-outofscope.c
index 348e843328..fc7043bcdc 100644
--- a/src/interfaces/ecpg/test/expected/preproc-outofscope.c
+++ b/src/interfaces/ecpg/test/expected/preproc-outofscope.c
@@ -337,7 +337,7 @@ if (sqlca.sqlcode < 0) exit (1);}
 		get_record1();
 		if (sqlca.sqlcode == ECPG_NOT_FOUND)
 			break;
-		printf("id=%d%s t='%s'%s d1=%lf%s d2=%lf%s c = '%s'%s\n",
+		printf("id=%d%s t='%s'%s d1=%f%s d2=%f%s c = '%s'%s\n",
 			myvar->id, mynullvar->id ? " (NULL)" : "",
 			myvar->t, mynullvar->t ? " (NULL)" : "",
 			myvar->d1, mynullvar->d1 ? " (NULL)" : "",
diff --git a/src/interfaces/ecpg/test/expected/sql-sqlda.c b/src/interfaces/ecpg/test/expected/sql-sqlda.c
index 3c4a806e55..c203e56c4e 100644
--- a/src/interfaces/ecpg/test/expected/sql-sqlda.c
+++ b/src/interfaces/ecpg/test/expected/sql-sqlda.c
@@ -158,7 +158,7 @@ dump_sqlda(sqlda_t *sqlda)
 			break;
 #endif
 		case ECPGt_double:
-			printf("name sqlda descriptor: '%s' value %lf\n", sqlda->sqlvar[i].sqlname.data, *(double *)sqlda->sqlvar[i].sqldata);
+			printf("name sqlda descriptor: '%s' value %f\n", sqlda->sqlvar[i].sqlname.data, *(double *)sqlda->sqlvar[i].sqldata);
 			break;
 		case ECPGt_numeric:
 			{
diff --git a/src/interfaces/ecpg/test/preproc/outofscope.pgc b/src/interfaces/ecpg/test/preproc/outofscope.pgc
index 6b5d2707ce..6322114729 100644
--- a/src/interfaces/ecpg/test/preproc/outofscope.pgc
+++ b/src/interfaces/ecpg/test/preproc/outofscope.pgc
@@ -101,7 +101,7 @@ main (void)
 		get_record1();
 		if (sqlca.sqlcode == ECPG_NOT_FOUND)
 			break;
-		printf("id=%d%s t='%s'%s d1=%lf%s d2=%lf%s c = '%s'%s\n",
+		printf("id=%d%s t='%s'%s d1=%f%s d2=%f%s c = '%s'%s\n",
 			myvar->id, mynullvar->id ? " (NULL)" : "",
 			myvar->t, mynullvar->t ? " (NULL)" : "",
 			myvar->d1, mynullvar->d1 ? " (NULL)" : "",
diff --git a/src/interfaces/ecpg/test/sql/sqlda.pgc b/src/interfaces/ecpg/test/sql/sqlda.pgc
index d99f7f7e96..67f14d6ccb 100644
--- a/src/interfaces/ecpg/test/sql/sqlda.pgc
+++ b/src/interfaces/ecpg/test/sql/sqlda.pgc
@@ -45,7 +45,7 @@ dump_sqlda(sqlda_t *sqlda)
 			break;
 #endif
 		case ECPGt_double:
-			printf("name sqlda descriptor: '%s' value %lf\n", sqlda->sqlvar[i].sqlname.data, *(double *)sqlda->sqlvar[i].sqldata);
+			printf("name sqlda descriptor: '%s' value %f\n", sqlda->sqlvar[i].sqlname.data, *(double *)sqlda->sqlvar[i].sqldata);
 			break;
 		case ECPGt_numeric:
 			{